Home / 31,445.85-43,392.90-17,299.61

Finding the Fourth Proportional to 31,445.85, 43,392.90 and 17,299.61

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Solution

The fourth proportional to 31,445.85, 43,392.90 and 17,299.61 is: 23,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.85 : 43,392.90 = 17,299.61 : x
  2. Step 2: Convert to fraction form
    31,445.85/43,392.90 = 17,299.61/x
  3. Step 3: Cross multiply
    31,445.85x = 43,392.90 × 17,299.61
  4. Step 4: Simplify right side
    31,445.85x = 750,680,246.77
  5. Step 5: Solve for x
    x = 750,680,246.77/31,445.85
  6. Step 6: Final answer
    x = 23,872.16

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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.