Home / 56,267.87-84,418.20-20,732.76

Finding the Fourth Proportional to 56,267.87, 84,418.20 and 20,732.76

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Solution

The fourth proportional to 56,267.87, 84,418.20 and 20,732.76 is: 31,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267.87 : 84,418.20 = 20,732.76 : x
  2. Step 2: Convert to fraction form
    56,267.87/84,418.20 = 20,732.76/x
  3. Step 3: Cross multiply
    56,267.87x = 84,418.20 × 20,732.76
  4. Step 4: Simplify right side
    56,267.87x = 1,750,222,280.23
  5. Step 5: Solve for x
    x = 1,750,222,280.23/56,267.87
  6. Step 6: Final answer
    x = 31,105.18

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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.