Home / 51,422.16-77,127.52-18,136.04

Finding the Fourth Proportional to 51,422.16, 77,127.52 and 18,136.04

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Solution

The fourth proportional to 51,422.16, 77,127.52 and 18,136.04 is: 27,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,422.16 : 77,127.52 = 18,136.04 : x
  2. Step 2: Convert to fraction form
    51,422.16/77,127.52 = 18,136.04/x
  3. Step 3: Cross multiply
    51,422.16x = 77,127.52 × 18,136.04
  4. Step 4: Simplify right side
    51,422.16x = 1,398,787,787.82
  5. Step 5: Solve for x
    x = 1,398,787,787.82/51,422.16
  6. Step 6: Final answer
    x = 27,202.04

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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.