Home / 31,402.50-43,335.18-17,062.18

Finding the Fourth Proportional to 31,402.50, 43,335.18 and 17,062.18

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Solution

The fourth proportional to 31,402.50, 43,335.18 and 17,062.18 is: 23,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.50 : 43,335.18 = 17,062.18 : x
  2. Step 2: Convert to fraction form
    31,402.50/43,335.18 = 17,062.18/x
  3. Step 3: Cross multiply
    31,402.50x = 43,335.18 × 17,062.18
  4. Step 4: Simplify right side
    31,402.50x = 739,392,641.49
  5. Step 5: Solve for x
    x = 739,392,641.49/31,402.50
  6. Step 6: Final answer
    x = 23,545.66

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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.