Home / 52,488.05-72,432.92-28,614.20

Finding the Fourth Proportional to 52,488.05, 72,432.92 and 28,614.20

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Solution

The fourth proportional to 52,488.05, 72,432.92 and 28,614.20 is: 39,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.05 : 72,432.92 = 28,614.20 : x
  2. Step 2: Convert to fraction form
    52,488.05/72,432.92 = 28,614.20/x
  3. Step 3: Cross multiply
    52,488.05x = 72,432.92 × 28,614.20
  4. Step 4: Simplify right side
    52,488.05x = 2,072,609,554.23
  5. Step 5: Solve for x
    x = 2,072,609,554.23/52,488.05
  6. Step 6: Final answer
    x = 39,487.27

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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.