Home / 66,538.84-99,755.28-38,426.92

Finding the Fourth Proportional to 66,538.84, 99,755.28 and 38,426.92

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Solution

The fourth proportional to 66,538.84, 99,755.28 and 38,426.92 is: 57,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.84 : 99,755.28 = 38,426.92 : x
  2. Step 2: Convert to fraction form
    66,538.84/99,755.28 = 38,426.92/x
  3. Step 3: Cross multiply
    66,538.84x = 99,755.28 × 38,426.92
  4. Step 4: Simplify right side
    66,538.84x = 3,833,288,164.14
  5. Step 5: Solve for x
    x = 3,833,288,164.14/66,538.84
  6. Step 6: Final answer
    x = 57,609.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.