Home / 56,761.29-85,155.57-17,315.91

Finding the Fourth Proportional to 56,761.29, 85,155.57 and 17,315.91

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Solution

The fourth proportional to 56,761.29, 85,155.57 and 17,315.91 is: 25,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.29 : 85,155.57 = 17,315.91 : x
  2. Step 2: Convert to fraction form
    56,761.29/85,155.57 = 17,315.91/x
  3. Step 3: Cross multiply
    56,761.29x = 85,155.57 × 17,315.91
  4. Step 4: Simplify right side
    56,761.29x = 1,474,546,186.12
  5. Step 5: Solve for x
    x = 1,474,546,186.12/56,761.29
  6. Step 6: Final answer
    x = 25,978.02

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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.