Home / 56,490.20-84,719.10-17,037.80

Finding the Fourth Proportional to 56,490.20, 84,719.10 and 17,037.80

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Solution

The fourth proportional to 56,490.20, 84,719.10 and 17,037.80 is: 25,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.20 : 84,719.10 = 17,037.80 : x
  2. Step 2: Convert to fraction form
    56,490.20/84,719.10 = 17,037.80/x
  3. Step 3: Cross multiply
    56,490.20x = 84,719.10 × 17,037.80
  4. Step 4: Simplify right side
    56,490.20x = 1,443,427,081.98
  5. Step 5: Solve for x
    x = 1,443,427,081.98/56,490.20
  6. Step 6: Final answer
    x = 25,551.81

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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.