Home / 52,640.52-72,635.55-29,979.95

Finding the Fourth Proportional to 52,640.52, 72,635.55 and 29,979.95

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Solution

The fourth proportional to 52,640.52, 72,635.55 and 29,979.95 is: 41,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.52 : 72,635.55 = 29,979.95 : x
  2. Step 2: Convert to fraction form
    52,640.52/72,635.55 = 29,979.95/x
  3. Step 3: Cross multiply
    52,640.52x = 72,635.55 × 29,979.95
  4. Step 4: Simplify right side
    52,640.52x = 2,177,609,681.62
  5. Step 5: Solve for x
    x = 2,177,609,681.62/52,640.52
  6. Step 6: Final answer
    x = 41,367.56

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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.