Home / 54,588.40-81,882.60-15,145.52

Finding the Fourth Proportional to 54,588.40, 81,882.60 and 15,145.52

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Solution

The fourth proportional to 54,588.40, 81,882.60 and 15,145.52 is: 22,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.40 : 81,882.60 = 15,145.52 : x
  2. Step 2: Convert to fraction form
    54,588.40/81,882.60 = 15,145.52/x
  3. Step 3: Cross multiply
    54,588.40x = 81,882.60 × 15,145.52
  4. Step 4: Simplify right side
    54,588.40x = 1,240,154,555.95
  5. Step 5: Solve for x
    x = 1,240,154,555.95/54,588.40
  6. Step 6: Final answer
    x = 22,718.28

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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.