Home / 66,241.12-91,412.68-37,946.92

Finding the Fourth Proportional to 66,241.12, 91,412.68 and 37,946.92

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Solution

The fourth proportional to 66,241.12, 91,412.68 and 37,946.92 is: 52,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,241.12 : 91,412.68 = 37,946.92 : x
  2. Step 2: Convert to fraction form
    66,241.12/91,412.68 = 37,946.92/x
  3. Step 3: Cross multiply
    66,241.12x = 91,412.68 × 37,946.92
  4. Step 4: Simplify right side
    66,241.12x = 3,468,829,654.95
  5. Step 5: Solve for x
    x = 3,468,829,654.95/66,241.12
  6. Step 6: Final answer
    x = 52,366.71

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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.