Home / 31,508.91-43,482.30-17,361.63

Finding the Fourth Proportional to 31,508.91, 43,482.30 and 17,361.63

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Solution

The fourth proportional to 31,508.91, 43,482.30 and 17,361.63 is: 23,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.91 : 43,482.30 = 17,361.63 : x
  2. Step 2: Convert to fraction form
    31,508.91/43,482.30 = 17,361.63/x
  3. Step 3: Cross multiply
    31,508.91x = 43,482.30 × 17,361.63
  4. Step 4: Simplify right side
    31,508.91x = 754,923,604.15
  5. Step 5: Solve for x
    x = 754,923,604.15/31,508.91
  6. Step 6: Final answer
    x = 23,959.05

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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.