Home / 30,680.11-42,337.70-17,251.01

Finding the Fourth Proportional to 30,680.11, 42,337.70 and 17,251.01

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Solution

The fourth proportional to 30,680.11, 42,337.70 and 17,251.01 is: 23,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.11 : 42,337.70 = 17,251.01 : x
  2. Step 2: Convert to fraction form
    30,680.11/42,337.70 = 17,251.01/x
  3. Step 3: Cross multiply
    30,680.11x = 42,337.70 × 17,251.01
  4. Step 4: Simplify right side
    30,680.11x = 730,368,346.78
  5. Step 5: Solve for x
    x = 730,368,346.78/30,680.11
  6. Step 6: Final answer
    x = 23,805.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.