Home / 57,167.28-78,893.66-34,505.91

Finding the Fourth Proportional to 57,167.28, 78,893.66 and 34,505.91

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Solution

The fourth proportional to 57,167.28, 78,893.66 and 34,505.91 is: 47,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,167.28 : 78,893.66 = 34,505.91 : x
  2. Step 2: Convert to fraction form
    57,167.28/78,893.66 = 34,505.91/x
  3. Step 3: Cross multiply
    57,167.28x = 78,893.66 × 34,505.91
  4. Step 4: Simplify right side
    57,167.28x = 2,722,297,617.80
  5. Step 5: Solve for x
    x = 2,722,297,617.80/57,167.28
  6. Step 6: Final answer
    x = 47,619.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.