Home / 56,738.24-85,116.60-16,761.28

Finding the Fourth Proportional to 56,738.24, 85,116.60 and 16,761.28

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Solution

The fourth proportional to 56,738.24, 85,116.60 and 16,761.28 is: 25,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,738.24 : 85,116.60 = 16,761.28 : x
  2. Step 2: Convert to fraction form
    56,738.24/85,116.60 = 16,761.28/x
  3. Step 3: Cross multiply
    56,738.24x = 85,116.60 × 16,761.28
  4. Step 4: Simplify right side
    56,738.24x = 1,426,663,165.25
  5. Step 5: Solve for x
    x = 1,426,663,165.25/56,738.24
  6. Step 6: Final answer
    x = 25,144.65

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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.