Home / 31,423.89-43,365.26-17,083.76

Finding the Fourth Proportional to 31,423.89, 43,365.26 and 17,083.76

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Solution

The fourth proportional to 31,423.89, 43,365.26 and 17,083.76 is: 23,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.89 : 43,365.26 = 17,083.76 : x
  2. Step 2: Convert to fraction form
    31,423.89/43,365.26 = 17,083.76/x
  3. Step 3: Cross multiply
    31,423.89x = 43,365.26 × 17,083.76
  4. Step 4: Simplify right side
    31,423.89x = 740,841,391.93
  5. Step 5: Solve for x
    x = 740,841,391.93/31,423.89
  6. Step 6: Final answer
    x = 23,575.74

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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.