Home / 31,402.75-43,335.87-17,062.63

Finding the Fourth Proportional to 31,402.75, 43,335.87 and 17,062.63

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Solution

The fourth proportional to 31,402.75, 43,335.87 and 17,062.63 is: 23,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.75 : 43,335.87 = 17,062.63 : x
  2. Step 2: Convert to fraction form
    31,402.75/43,335.87 = 17,062.63/x
  3. Step 3: Cross multiply
    31,402.75x = 43,335.87 × 17,062.63
  4. Step 4: Simplify right side
    31,402.75x = 739,423,915.54
  5. Step 5: Solve for x
    x = 739,423,915.54/31,402.75
  6. Step 6: Final answer
    x = 23,546.47

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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.