Home / 54,581.63-81,872.42-15,138.74

Finding the Fourth Proportional to 54,581.63, 81,872.42 and 15,138.74

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Solution

The fourth proportional to 54,581.63, 81,872.42 and 15,138.74 is: 22,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.63 : 81,872.42 = 15,138.74 : x
  2. Step 2: Convert to fraction form
    54,581.63/81,872.42 = 15,138.74/x
  3. Step 3: Cross multiply
    54,581.63x = 81,872.42 × 15,138.74
  4. Step 4: Simplify right side
    54,581.63x = 1,239,445,522.08
  5. Step 5: Solve for x
    x = 1,239,445,522.08/54,581.63
  6. Step 6: Final answer
    x = 22,708.11

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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.