Home / 31,411.27-43,347.04-17,263.81

Finding the Fourth Proportional to 31,411.27, 43,347.04 and 17,263.81

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Solution

The fourth proportional to 31,411.27, 43,347.04 and 17,263.81 is: 23,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.27 : 43,347.04 = 17,263.81 : x
  2. Step 2: Convert to fraction form
    31,411.27/43,347.04 = 17,263.81/x
  3. Step 3: Cross multiply
    31,411.27x = 43,347.04 × 17,263.81
  4. Step 4: Simplify right side
    31,411.27x = 748,335,062.62
  5. Step 5: Solve for x
    x = 748,335,062.62/31,411.27
  6. Step 6: Final answer
    x = 23,823.78

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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.