Home / 66,398.38-99,617.08-19,652.46

Finding the Fourth Proportional to 66,398.38, 99,617.08 and 19,652.46

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Solution

The fourth proportional to 66,398.38, 99,617.08 and 19,652.46 is: 29,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,398.38 : 99,617.08 = 19,652.46 : x
  2. Step 2: Convert to fraction form
    66,398.38/99,617.08 = 19,652.46/x
  3. Step 3: Cross multiply
    66,398.38x = 99,617.08 × 19,652.46
  4. Step 4: Simplify right side
    66,398.38x = 1,957,720,680.02
  5. Step 5: Solve for x
    x = 1,957,720,680.02/66,398.38
  6. Step 6: Final answer
    x = 29,484.46

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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.