Home / 66,292.02-91,487.07-38,001.96

Finding the Fourth Proportional to 66,292.02, 91,487.07 and 38,001.96

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Solution

The fourth proportional to 66,292.02, 91,487.07 and 38,001.96 is: 52,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,292.02 : 91,487.07 = 38,001.96 : x
  2. Step 2: Convert to fraction form
    66,292.02/91,487.07 = 38,001.96/x
  3. Step 3: Cross multiply
    66,292.02x = 91,487.07 × 38,001.96
  4. Step 4: Simplify right side
    66,292.02x = 3,476,687,974.66
  5. Step 5: Solve for x
    x = 3,476,687,974.66/66,292.02
  6. Step 6: Final answer
    x = 52,445.05

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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.