Home / 57,508.26-79,404.66-56,589.72

Finding the Fourth Proportional to 57,508.26, 79,404.66 and 56,589.72

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Solution

The fourth proportional to 57,508.26, 79,404.66 and 56,589.72 is: 78,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.26 : 79,404.66 = 56,589.72 : x
  2. Step 2: Convert to fraction form
    57,508.26/79,404.66 = 56,589.72/x
  3. Step 3: Cross multiply
    57,508.26x = 79,404.66 × 56,589.72
  4. Step 4: Simplify right side
    57,508.26x = 4,493,487,476.10
  5. Step 5: Solve for x
    x = 4,493,487,476.10/57,508.26
  6. Step 6: Final answer
    x = 78,136.38

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1.5x scale

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.