Home / 54,306.17-74,941.29-31,643.75

Finding the Fourth Proportional to 54,306.17, 74,941.29 and 31,643.75

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Solution

The fourth proportional to 54,306.17, 74,941.29 and 31,643.75 is: 43,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.17 : 74,941.29 = 31,643.75 : x
  2. Step 2: Convert to fraction form
    54,306.17/74,941.29 = 31,643.75/x
  3. Step 3: Cross multiply
    54,306.17x = 74,941.29 × 31,643.75
  4. Step 4: Simplify right side
    54,306.17x = 2,371,423,070.73
  5. Step 5: Solve for x
    x = 2,371,423,070.73/54,306.17
  6. Step 6: Final answer
    x = 43,667.66

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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.