Home / 66,320.64-99,515.52-29,376

Finding the Fourth Proportional to 66,320.64, 99,515.52 and 29,376

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Solution

The fourth proportional to 66,320.64, 99,515.52 and 29,376 is: 44,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.64 : 99,515.52 = 29,376 : x
  2. Step 2: Convert to fraction form
    66,320.64/99,515.52 = 29,376/x
  3. Step 3: Cross multiply
    66,320.64x = 99,515.52 × 29,376
  4. Step 4: Simplify right side
    66,320.64x = 2,923,367,915.52
  5. Step 5: Solve for x
    x = 2,923,367,915.52/66,320.64
  6. Step 6: Final answer
    x = 44,079.31

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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.