Home / 38,439.35-53,043.68-22,307.14

Finding the Fourth Proportional to 38,439.35, 53,043.68 and 22,307.14

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Solution

The fourth proportional to 38,439.35, 53,043.68 and 22,307.14 is: 30,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.35 : 53,043.68 = 22,307.14 : x
  2. Step 2: Convert to fraction form
    38,439.35/53,043.68 = 22,307.14/x
  3. Step 3: Cross multiply
    38,439.35x = 53,043.68 × 22,307.14
  4. Step 4: Simplify right side
    38,439.35x = 1,183,252,719.03
  5. Step 5: Solve for x
    x = 1,183,252,719.03/38,439.35
  6. Step 6: Final answer
    x = 30,782.33

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Half scale
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Double scale
Find fourth proportional to 38,440.35, 53,045.06 and 22,308.14
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.