Home / 38,792.61-58,080.49-20,959.38

Finding the Fourth Proportional to 38,792.61, 58,080.49 and 20,959.38

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Solution

The fourth proportional to 38,792.61, 58,080.49 and 20,959.38 is: 31,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,792.61 : 58,080.49 = 20,959.38 : x
  2. Step 2: Convert to fraction form
    38,792.61/58,080.49 = 20,959.38/x
  3. Step 3: Cross multiply
    38,792.61x = 58,080.49 × 20,959.38
  4. Step 4: Simplify right side
    38,792.61x = 1,217,331,060.50
  5. Step 5: Solve for x
    x = 1,217,331,060.50/38,792.61
  6. Step 6: Final answer
    x = 31,380.49

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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.