Home / 56,478.20-84,701.10-17,025.80

Finding the Fourth Proportional to 56,478.20, 84,701.10 and 17,025.80

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Solution

The fourth proportional to 56,478.20, 84,701.10 and 17,025.80 is: 25,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.20 : 84,701.10 = 17,025.80 : x
  2. Step 2: Convert to fraction form
    56,478.20/84,701.10 = 17,025.80/x
  3. Step 3: Cross multiply
    56,478.20x = 84,701.10 × 17,025.80
  4. Step 4: Simplify right side
    56,478.20x = 1,442,103,988.38
  5. Step 5: Solve for x
    x = 1,442,103,988.38/56,478.20
  6. Step 6: Final answer
    x = 25,533.82

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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.