Home / 38,463.24-53,079.27-21,235.62

Finding the Fourth Proportional to 38,463.24, 53,079.27 and 21,235.62

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Solution

The fourth proportional to 38,463.24, 53,079.27 and 21,235.62 is: 29,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,463.24 : 53,079.27 = 21,235.62 : x
  2. Step 2: Convert to fraction form
    38,463.24/53,079.27 = 21,235.62/x
  3. Step 3: Cross multiply
    38,463.24x = 53,079.27 × 21,235.62
  4. Step 4: Simplify right side
    38,463.24x = 1,127,171,207.60
  5. Step 5: Solve for x
    x = 1,127,171,207.60/38,463.24
  6. Step 6: Final answer
    x = 29,305.15

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Half scale
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Double scale
Find fourth proportional to 38,464.24, 53,080.65 and 21,236.62
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.