Home / 42,767.28-59,035.28-38,283.12

Finding the Fourth Proportional to 42,767.28, 59,035.28 and 38,283.12

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Solution

The fourth proportional to 42,767.28, 59,035.28 and 38,283.12 is: 52,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.28 : 59,035.28 = 38,283.12 : x
  2. Step 2: Convert to fraction form
    42,767.28/59,035.28 = 38,283.12/x
  3. Step 3: Cross multiply
    42,767.28x = 59,035.28 × 38,283.12
  4. Step 4: Simplify right side
    42,767.28x = 2,260,054,708.47
  5. Step 5: Solve for x
    x = 2,260,054,708.47/42,767.28
  6. Step 6: Final answer
    x = 52,845.42

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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.