Home / 51,434.68-77,158.22-18,147.90

Finding the Fourth Proportional to 51,434.68, 77,158.22 and 18,147.90

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Solution

The fourth proportional to 51,434.68, 77,158.22 and 18,147.90 is: 27,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,434.68 : 77,158.22 = 18,147.90 : x
  2. Step 2: Convert to fraction form
    51,434.68/77,158.22 = 18,147.90/x
  3. Step 3: Cross multiply
    51,434.68x = 77,158.22 × 18,147.90
  4. Step 4: Simplify right side
    51,434.68x = 1,400,259,660.74
  5. Step 5: Solve for x
    x = 1,400,259,660.74/51,434.68
  6. Step 6: Final answer
    x = 27,224.04

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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.