Home / 54,929.42-82,386.82-15,489.70

Finding the Fourth Proportional to 54,929.42, 82,386.82 and 15,489.70

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Solution

The fourth proportional to 54,929.42, 82,386.82 and 15,489.70 is: 23,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.42 : 82,386.82 = 15,489.70 : x
  2. Step 2: Convert to fraction form
    54,929.42/82,386.82 = 15,489.70/x
  3. Step 3: Cross multiply
    54,929.42x = 82,386.82 × 15,489.70
  4. Step 4: Simplify right side
    54,929.42x = 1,276,147,125.75
  5. Step 5: Solve for x
    x = 1,276,147,125.75/54,929.42
  6. Step 6: Final answer
    x = 23,232.49

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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.