Home / 29,356.80-40,465.20-22,972.56

Finding the Fourth Proportional to 29,356.80, 40,465.20 and 22,972.56

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Solution

The fourth proportional to 29,356.80, 40,465.20 and 22,972.56 is: 31,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356.80 : 40,465.20 = 22,972.56 : x
  2. Step 2: Convert to fraction form
    29,356.80/40,465.20 = 22,972.56/x
  3. Step 3: Cross multiply
    29,356.80x = 40,465.20 × 22,972.56
  4. Step 4: Simplify right side
    29,356.80x = 929,589,234.91
  5. Step 5: Solve for x
    x = 929,589,234.91/29,356.80
  6. Step 6: Final answer
    x = 31,665.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.