Home / 36,545.13-50,432.28-19,778.13

Finding the Fourth Proportional to 36,545.13, 50,432.28 and 19,778.13

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Solution

The fourth proportional to 36,545.13, 50,432.28 and 19,778.13 is: 27,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.13 : 50,432.28 = 19,778.13 : x
  2. Step 2: Convert to fraction form
    36,545.13/50,432.28 = 19,778.13/x
  3. Step 3: Cross multiply
    36,545.13x = 50,432.28 × 19,778.13
  4. Step 4: Simplify right side
    36,545.13x = 997,456,190.04
  5. Step 5: Solve for x
    x = 997,456,190.04/36,545.13
  6. Step 6: Final answer
    x = 27,293.82

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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.