Home / 52,451.55-72,383.49-28,578.15

Finding the Fourth Proportional to 52,451.55, 72,383.49 and 28,578.15

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Solution

The fourth proportional to 52,451.55, 72,383.49 and 28,578.15 is: 39,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.55 : 72,383.49 = 28,578.15 : x
  2. Step 2: Convert to fraction form
    52,451.55/72,383.49 = 28,578.15/x
  3. Step 3: Cross multiply
    52,451.55x = 72,383.49 × 28,578.15
  4. Step 4: Simplify right side
    52,451.55x = 2,068,586,234.74
  5. Step 5: Solve for x
    x = 2,068,586,234.74/52,451.55
  6. Step 6: Final answer
    x = 39,438.04

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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.