Home / 36,192.30-49,947.42-20,281.87

Finding the Fourth Proportional to 36,192.30, 49,947.42 and 20,281.87

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Solution

The fourth proportional to 36,192.30, 49,947.42 and 20,281.87 is: 27,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,192.30 : 49,947.42 = 20,281.87 : x
  2. Step 2: Convert to fraction form
    36,192.30/49,947.42 = 20,281.87/x
  3. Step 3: Cross multiply
    36,192.30x = 49,947.42 × 20,281.87
  4. Step 4: Simplify right side
    36,192.30x = 1,013,027,079.28
  5. Step 5: Solve for x
    x = 1,013,027,079.28/36,192.30
  6. Step 6: Final answer
    x = 27,990.13

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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.