Home / 31,903.77-47,839.71-18,581.30

Finding the Fourth Proportional to 31,903.77, 47,839.71 and 18,581.30

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Solution

The fourth proportional to 31,903.77, 47,839.71 and 18,581.30 is: 27,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.77 : 47,839.71 = 18,581.30 : x
  2. Step 2: Convert to fraction form
    31,903.77/47,839.71 = 18,581.30/x
  3. Step 3: Cross multiply
    31,903.77x = 47,839.71 × 18,581.30
  4. Step 4: Simplify right side
    31,903.77x = 888,924,013.30
  5. Step 5: Solve for x
    x = 888,924,013.30/31,903.77
  6. Step 6: Final answer
    x = 27,862.66

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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.