Home / 54,872.06-82,311.15-15,426.10

Finding the Fourth Proportional to 54,872.06, 82,311.15 and 15,426.10

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Solution

The fourth proportional to 54,872.06, 82,311.15 and 15,426.10 is: 23,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872.06 : 82,311.15 = 15,426.10 : x
  2. Step 2: Convert to fraction form
    54,872.06/82,311.15 = 15,426.10/x
  3. Step 3: Cross multiply
    54,872.06x = 82,311.15 × 15,426.10
  4. Step 4: Simplify right side
    54,872.06x = 1,269,740,031.02
  5. Step 5: Solve for x
    x = 1,269,740,031.02/54,872.06
  6. Step 6: Final answer
    x = 23,140.01

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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.