Home / 48,581.78-67,041.27-29,718.90

Finding the Fourth Proportional to 48,581.78, 67,041.27 and 29,718.90

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Solution

The fourth proportional to 48,581.78, 67,041.27 and 29,718.90 is: 41,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.78 : 67,041.27 = 29,718.90 : x
  2. Step 2: Convert to fraction form
    48,581.78/67,041.27 = 29,718.90/x
  3. Step 3: Cross multiply
    48,581.78x = 67,041.27 × 29,718.90
  4. Step 4: Simplify right side
    48,581.78x = 1,992,392,799.00
  5. Step 5: Solve for x
    x = 1,992,392,799.00/48,581.78
  6. Step 6: Final answer
    x = 41,011.12

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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.