Home / 56,158.97-84,216.98-18,711.86

Finding the Fourth Proportional to 56,158.97, 84,216.98 and 18,711.86

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Solution

The fourth proportional to 56,158.97, 84,216.98 and 18,711.86 is: 28,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.97 : 84,216.98 = 18,711.86 : x
  2. Step 2: Convert to fraction form
    56,158.97/84,216.98 = 18,711.86/x
  3. Step 3: Cross multiply
    56,158.97x = 84,216.98 × 18,711.86
  4. Step 4: Simplify right side
    56,158.97x = 1,575,855,965.08
  5. Step 5: Solve for x
    x = 1,575,855,965.08/56,158.97
  6. Step 6: Final answer
    x = 28,060.63

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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.