Home / 20,034.61-30,042.48-11,717.17

Finding the Fourth Proportional to 20,034.61, 30,042.48 and 11,717.17

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Solution

The fourth proportional to 20,034.61, 30,042.48 and 11,717.17 is: 17,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.61 : 30,042.48 = 11,717.17 : x
  2. Step 2: Convert to fraction form
    20,034.61/30,042.48 = 11,717.17/x
  3. Step 3: Cross multiply
    20,034.61x = 30,042.48 × 11,717.17
  4. Step 4: Simplify right side
    20,034.61x = 352,012,845.38
  5. Step 5: Solve for x
    x = 352,012,845.38/20,034.61
  6. Step 6: Final answer
    x = 17,570.24

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1.5x scale

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.