Home / 38,708.28-53,355.24-29,134.08

Finding the Fourth Proportional to 38,708.28, 53,355.24 and 29,134.08

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Solution

The fourth proportional to 38,708.28, 53,355.24 and 29,134.08 is: 40,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.28 : 53,355.24 = 29,134.08 : x
  2. Step 2: Convert to fraction form
    38,708.28/53,355.24 = 29,134.08/x
  3. Step 3: Cross multiply
    38,708.28x = 53,355.24 × 29,134.08
  4. Step 4: Simplify right side
    38,708.28x = 1,554,455,830.58
  5. Step 5: Solve for x
    x = 1,554,455,830.58/38,708.28
  6. Step 6: Final answer
    x = 40,158.23

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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.