Home / 52,487.80-72,433.20-28,614.52

Finding the Fourth Proportional to 52,487.80, 72,433.20 and 28,614.52

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Solution

The fourth proportional to 52,487.80, 72,433.20 and 28,614.52 is: 39,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.80 : 72,433.20 = 28,614.52 : x
  2. Step 2: Convert to fraction form
    52,487.80/72,433.20 = 28,614.52/x
  3. Step 3: Cross multiply
    52,487.80x = 72,433.20 × 28,614.52
  4. Step 4: Simplify right side
    52,487.80x = 2,072,641,250.06
  5. Step 5: Solve for x
    x = 2,072,641,250.06/52,487.80
  6. Step 6: Final answer
    x = 39,488.06

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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.