Home / 31,306-43,202.28-18,058

Finding the Fourth Proportional to 31,306, 43,202.28 and 18,058

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Solution

The fourth proportional to 31,306, 43,202.28 and 18,058 is: 24,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306 : 43,202.28 = 18,058 : x
  2. Step 2: Convert to fraction form
    31,306/43,202.28 = 18,058/x
  3. Step 3: Cross multiply
    31,306x = 43,202.28 × 18,058
  4. Step 4: Simplify right side
    31,306x = 780,146,772.24
  5. Step 5: Solve for x
    x = 780,146,772.24/31,306
  6. Step 6: Final answer
    x = 24,920.04

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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.