Home / 66,229.52-91,397.16-36,015.17

Finding the Fourth Proportional to 66,229.52, 91,397.16 and 36,015.17

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Solution

The fourth proportional to 66,229.52, 91,397.16 and 36,015.17 is: 49,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.52 : 91,397.16 = 36,015.17 : x
  2. Step 2: Convert to fraction form
    66,229.52/91,397.16 = 36,015.17/x
  3. Step 3: Cross multiply
    66,229.52x = 91,397.16 × 36,015.17
  4. Step 4: Simplify right side
    66,229.52x = 3,291,683,797.93
  5. Step 5: Solve for x
    x = 3,291,683,797.93/66,229.52
  6. Step 6: Final answer
    x = 49,701.16

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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.