Home / 54,011.28-80,860.03-31,453.18

Finding the Fourth Proportional to 54,011.28, 80,860.03 and 31,453.18

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Solution

The fourth proportional to 54,011.28, 80,860.03 and 31,453.18 is: 47,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,011.28 : 80,860.03 = 31,453.18 : x
  2. Step 2: Convert to fraction form
    54,011.28/80,860.03 = 31,453.18/x
  3. Step 3: Cross multiply
    54,011.28x = 80,860.03 × 31,453.18
  4. Step 4: Simplify right side
    54,011.28x = 2,543,304,921.13
  5. Step 5: Solve for x
    x = 2,543,304,921.13/54,011.28
  6. Step 6: Final answer
    x = 47,088.41

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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.