Home / 31,440.49-43,387.68-17,831.13

Finding the Fourth Proportional to 31,440.49, 43,387.68 and 17,831.13

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Solution

The fourth proportional to 31,440.49, 43,387.68 and 17,831.13 is: 24,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.49 : 43,387.68 = 17,831.13 : x
  2. Step 2: Convert to fraction form
    31,440.49/43,387.68 = 17,831.13/x
  3. Step 3: Cross multiply
    31,440.49x = 43,387.68 × 17,831.13
  4. Step 4: Simplify right side
    31,440.49x = 773,651,156.87
  5. Step 5: Solve for x
    x = 773,651,156.87/31,440.49
  6. Step 6: Final answer
    x = 24,606.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.