Home / 41,753.61-57,696.35-30,403.40

Finding the Fourth Proportional to 41,753.61, 57,696.35 and 30,403.40

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Solution

The fourth proportional to 41,753.61, 57,696.35 and 30,403.40 is: 42,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,753.61 : 57,696.35 = 30,403.40 : x
  2. Step 2: Convert to fraction form
    41,753.61/57,696.35 = 30,403.40/x
  3. Step 3: Cross multiply
    41,753.61x = 57,696.35 × 30,403.40
  4. Step 4: Simplify right side
    41,753.61x = 1,754,164,767.09
  5. Step 5: Solve for x
    x = 1,754,164,767.09/41,753.61
  6. Step 6: Final answer
    x = 42,012.29

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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.