Home / 31,414.32-43,334.46-19,908.18

Finding the Fourth Proportional to 31,414.32, 43,334.46 and 19,908.18

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Solution

The fourth proportional to 31,414.32, 43,334.46 and 19,908.18 is: 27,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.32 : 43,334.46 = 19,908.18 : x
  2. Step 2: Convert to fraction form
    31,414.32/43,334.46 = 19,908.18/x
  3. Step 3: Cross multiply
    31,414.32x = 43,334.46 × 19,908.18
  4. Step 4: Simplify right side
    31,414.32x = 862,710,229.88
  5. Step 5: Solve for x
    x = 862,710,229.88/31,414.32
  6. Step 6: Final answer
    x = 27,462.32

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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.