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Finding the Fourth Proportional to 40,773.87, 61,062.03 and 20,730.63

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Solution

The fourth proportional to 40,773.87, 61,062.03 and 20,730.63 is: 31,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,773.87 : 61,062.03 = 20,730.63 : x
  2. Step 2: Convert to fraction form
    40,773.87/61,062.03 = 20,730.63/x
  3. Step 3: Cross multiply
    40,773.87x = 61,062.03 × 20,730.63
  4. Step 4: Simplify right side
    40,773.87x = 1,265,854,350.98
  5. Step 5: Solve for x
    x = 1,265,854,350.98/40,773.87
  6. Step 6: Final answer
    x = 31,045.72

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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.