Home / 42,189.63-63,253.17-25,545.66

Finding the Fourth Proportional to 42,189.63, 63,253.17 and 25,545.66

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Solution

The fourth proportional to 42,189.63, 63,253.17 and 25,545.66 is: 38,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.63 : 63,253.17 = 25,545.66 : x
  2. Step 2: Convert to fraction form
    42,189.63/63,253.17 = 25,545.66/x
  3. Step 3: Cross multiply
    42,189.63x = 63,253.17 × 25,545.66
  4. Step 4: Simplify right side
    42,189.63x = 1,615,843,974.74
  5. Step 5: Solve for x
    x = 1,615,843,974.74/42,189.63
  6. Step 6: Final answer
    x = 38,299.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.