Home / 52,487.54-72,432.23-28,613.69

Finding the Fourth Proportional to 52,487.54, 72,432.23 and 28,613.69

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Solution

The fourth proportional to 52,487.54, 72,432.23 and 28,613.69 is: 39,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.54 : 72,432.23 = 28,613.69 : x
  2. Step 2: Convert to fraction form
    52,487.54/72,432.23 = 28,613.69/x
  3. Step 3: Cross multiply
    52,487.54x = 72,432.23 × 28,613.69
  4. Step 4: Simplify right side
    52,487.54x = 2,072,553,375.23
  5. Step 5: Solve for x
    x = 2,072,553,375.23/52,487.54
  6. Step 6: Final answer
    x = 39,486.58

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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.