Home / 66,429.52-91,666.08-37,354.79

Finding the Fourth Proportional to 66,429.52, 91,666.08 and 37,354.79

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Solution

The fourth proportional to 66,429.52, 91,666.08 and 37,354.79 is: 51,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.52 : 91,666.08 = 37,354.79 : x
  2. Step 2: Convert to fraction form
    66,429.52/91,666.08 = 37,354.79/x
  3. Step 3: Cross multiply
    66,429.52x = 91,666.08 × 37,354.79
  4. Step 4: Simplify right side
    66,429.52x = 3,424,167,397.69
  5. Step 5: Solve for x
    x = 3,424,167,397.69/66,429.52
  6. Step 6: Final answer
    x = 51,545.87

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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.