Home / 52,639.38-72,635.99-29,978.42

Finding the Fourth Proportional to 52,639.38, 72,635.99 and 29,978.42

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Solution

The fourth proportional to 52,639.38, 72,635.99 and 29,978.42 is: 41,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.38 : 72,635.99 = 29,978.42 : x
  2. Step 2: Convert to fraction form
    52,639.38/72,635.99 = 29,978.42/x
  3. Step 3: Cross multiply
    52,639.38x = 72,635.99 × 29,978.42
  4. Step 4: Simplify right side
    52,639.38x = 2,177,511,702.26
  5. Step 5: Solve for x
    x = 2,177,511,702.26/52,639.38
  6. Step 6: Final answer
    x = 41,366.59

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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.