Home / 29,445.12-40,633.92-19,388.16

Finding the Fourth Proportional to 29,445.12, 40,633.92 and 19,388.16

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Solution

The fourth proportional to 29,445.12, 40,633.92 and 19,388.16 is: 26,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.12 : 40,633.92 = 19,388.16 : x
  2. Step 2: Convert to fraction form
    29,445.12/40,633.92 = 19,388.16/x
  3. Step 3: Cross multiply
    29,445.12x = 40,633.92 × 19,388.16
  4. Step 4: Simplify right side
    29,445.12x = 787,816,942.39
  5. Step 5: Solve for x
    x = 787,816,942.39/29,445.12
  6. Step 6: Final answer
    x = 26,755.43

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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.