Home / 52,780.92-72,837.90-28,582.20

Finding the Fourth Proportional to 52,780.92, 72,837.90 and 28,582.20

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Solution

The fourth proportional to 52,780.92, 72,837.90 and 28,582.20 is: 39,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.92 : 72,837.90 = 28,582.20 : x
  2. Step 2: Convert to fraction form
    52,780.92/72,837.90 = 28,582.20/x
  3. Step 3: Cross multiply
    52,780.92x = 72,837.90 × 28,582.20
  4. Step 4: Simplify right side
    52,780.92x = 2,081,867,425.38
  5. Step 5: Solve for x
    x = 2,081,867,425.38/52,780.92
  6. Step 6: Final answer
    x = 39,443.56

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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.