Home / 31,407.75-43,342.70-17,260.59

Finding the Fourth Proportional to 31,407.75, 43,342.70 and 17,260.59

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Solution

The fourth proportional to 31,407.75, 43,342.70 and 17,260.59 is: 23,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.75 : 43,342.70 = 17,260.59 : x
  2. Step 2: Convert to fraction form
    31,407.75/43,342.70 = 17,260.59/x
  3. Step 3: Cross multiply
    31,407.75x = 43,342.70 × 17,260.59
  4. Step 4: Simplify right side
    31,407.75x = 748,120,650.43
  5. Step 5: Solve for x
    x = 748,120,650.43/31,407.75
  6. Step 6: Final answer
    x = 23,819.62

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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.