Home / 38,929.13-53,729.05-37,154.20

Finding the Fourth Proportional to 38,929.13, 53,729.05 and 37,154.20

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Solution

The fourth proportional to 38,929.13, 53,729.05 and 37,154.20 is: 51,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,929.13 : 53,729.05 = 37,154.20 : x
  2. Step 2: Convert to fraction form
    38,929.13/53,729.05 = 37,154.20/x
  3. Step 3: Cross multiply
    38,929.13x = 53,729.05 × 37,154.20
  4. Step 4: Simplify right side
    38,929.13x = 1,996,259,869.51
  5. Step 5: Solve for x
    x = 1,996,259,869.51/38,929.13
  6. Step 6: Final answer
    x = 51,279.33

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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.