Home / 54,948.30-82,414.35-15,509.40

Finding the Fourth Proportional to 54,948.30, 82,414.35 and 15,509.40

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Solution

The fourth proportional to 54,948.30, 82,414.35 and 15,509.40 is: 23,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,948.30 : 82,414.35 = 15,509.40 : x
  2. Step 2: Convert to fraction form
    54,948.30/82,414.35 = 15,509.40/x
  3. Step 3: Cross multiply
    54,948.30x = 82,414.35 × 15,509.40
  4. Step 4: Simplify right side
    54,948.30x = 1,278,197,119.89
  5. Step 5: Solve for x
    x = 1,278,197,119.89/54,948.30
  6. Step 6: Final answer
    x = 23,261.81

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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.