Home / 31,943.04-47,911.56-15,072.12

Finding the Fourth Proportional to 31,943.04, 47,911.56 and 15,072.12

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Solution

The fourth proportional to 31,943.04, 47,911.56 and 15,072.12 is: 22,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.04 : 47,911.56 = 15,072.12 : x
  2. Step 2: Convert to fraction form
    31,943.04/47,911.56 = 15,072.12/x
  3. Step 3: Cross multiply
    31,943.04x = 47,911.56 × 15,072.12
  4. Step 4: Simplify right side
    31,943.04x = 722,128,781.71
  5. Step 5: Solve for x
    x = 722,128,781.71/31,943.04
  6. Step 6: Final answer
    x = 22,606.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.