Home / 54,456.96-81,685.20-15,014.40

Finding the Fourth Proportional to 54,456.96, 81,685.20 and 15,014.40

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Solution

The fourth proportional to 54,456.96, 81,685.20 and 15,014.40 is: 22,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,456.96 : 81,685.20 = 15,014.40 : x
  2. Step 2: Convert to fraction form
    54,456.96/81,685.20 = 15,014.40/x
  3. Step 3: Cross multiply
    54,456.96x = 81,685.20 × 15,014.40
  4. Step 4: Simplify right side
    54,456.96x = 1,226,454,266.88
  5. Step 5: Solve for x
    x = 1,226,454,266.88/54,456.96
  6. Step 6: Final answer
    x = 22,521.53

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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.