Home / 40,942.87-61,414.27-12,864.96

Finding the Fourth Proportional to 40,942.87, 61,414.27 and 12,864.96

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Solution

The fourth proportional to 40,942.87, 61,414.27 and 12,864.96 is: 19,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.87 : 61,414.27 = 12,864.96 : x
  2. Step 2: Convert to fraction form
    40,942.87/61,414.27 = 12,864.96/x
  3. Step 3: Cross multiply
    40,942.87x = 61,414.27 × 12,864.96
  4. Step 4: Simplify right side
    40,942.87x = 790,092,094.82
  5. Step 5: Solve for x
    x = 790,092,094.82/40,942.87
  6. Step 6: Final answer
    x = 19,297.43

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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.