Home / 82,370.40-123,555.24-20,041.20

Finding the Fourth Proportional to 82,370.40, 123,555.24 and 20,041.20

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Solution

The fourth proportional to 82,370.40, 123,555.24 and 20,041.20 is: 30,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,370.40 : 123,555.24 = 20,041.20 : x
  2. Step 2: Convert to fraction form
    82,370.40/123,555.24 = 20,041.20/x
  3. Step 3: Cross multiply
    82,370.40x = 123,555.24 × 20,041.20
  4. Step 4: Simplify right side
    82,370.40x = 2,476,195,275.89
  5. Step 5: Solve for x
    x = 2,476,195,275.89/82,370.40
  6. Step 6: Final answer
    x = 30,061.71

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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.