Home / 52,489.80-72,435.96-28,616.52

Finding the Fourth Proportional to 52,489.80, 72,435.96 and 28,616.52

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Solution

The fourth proportional to 52,489.80, 72,435.96 and 28,616.52 is: 39,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.80 : 72,435.96 = 28,616.52 : x
  2. Step 2: Convert to fraction form
    52,489.80/72,435.96 = 28,616.52/x
  3. Step 3: Cross multiply
    52,489.80x = 72,435.96 × 28,616.52
  4. Step 4: Simplify right side
    52,489.80x = 2,072,865,098.06
  5. Step 5: Solve for x
    x = 2,072,865,098.06/52,489.80
  6. Step 6: Final answer
    x = 39,490.82

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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.