Home / 38,439.12-53,047.56-24,286.80

Finding the Fourth Proportional to 38,439.12, 53,047.56 and 24,286.80

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Solution

The fourth proportional to 38,439.12, 53,047.56 and 24,286.80 is: 33,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.12 : 53,047.56 = 24,286.80 : x
  2. Step 2: Convert to fraction form
    38,439.12/53,047.56 = 24,286.80/x
  3. Step 3: Cross multiply
    38,439.12x = 53,047.56 × 24,286.80
  4. Step 4: Simplify right side
    38,439.12x = 1,288,355,480.21
  5. Step 5: Solve for x
    x = 1,288,355,480.21/38,439.12
  6. Step 6: Final answer
    x = 33,516.78

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Half scale
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Double scale
Find fourth proportional to 38,440.12, 53,048.94 and 24,287.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.