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Finding the Fourth Proportional to 56,545.64, 84,689.27 and 26,984.24

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Solution

The fourth proportional to 56,545.64, 84,689.27 and 26,984.24 is: 40,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.64 : 84,689.27 = 26,984.24 : x
  2. Step 2: Convert to fraction form
    56,545.64/84,689.27 = 26,984.24/x
  3. Step 3: Cross multiply
    56,545.64x = 84,689.27 × 26,984.24
  4. Step 4: Simplify right side
    56,545.64x = 2,285,275,096.20
  5. Step 5: Solve for x
    x = 2,285,275,096.20/56,545.64
  6. Step 6: Final answer
    x = 40,414.70

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1.5x scale

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.