Home / 54,522.08-75,215.20-31,862

Finding the Fourth Proportional to 54,522.08, 75,215.20 and 31,862

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Solution

The fourth proportional to 54,522.08, 75,215.20 and 31,862 is: 43,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,522.08 : 75,215.20 = 31,862 : x
  2. Step 2: Convert to fraction form
    54,522.08/75,215.20 = 31,862/x
  3. Step 3: Cross multiply
    54,522.08x = 75,215.20 × 31,862
  4. Step 4: Simplify right side
    54,522.08x = 2,396,506,702.40
  5. Step 5: Solve for x
    x = 2,396,506,702.40/54,522.08
  6. Step 6: Final answer
    x = 43,954.79

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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.