Home / 57,721.08-86,425.21-29,960.76

Finding the Fourth Proportional to 57,721.08, 86,425.21 and 29,960.76

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Solution

The fourth proportional to 57,721.08, 86,425.21 and 29,960.76 is: 44,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.08 : 86,425.21 = 29,960.76 : x
  2. Step 2: Convert to fraction form
    57,721.08/86,425.21 = 29,960.76/x
  3. Step 3: Cross multiply
    57,721.08x = 86,425.21 × 29,960.76
  4. Step 4: Simplify right side
    57,721.08x = 2,589,364,974.76
  5. Step 5: Solve for x
    x = 2,589,364,974.76/57,721.08
  6. Step 6: Final answer
    x = 44,859.95

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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.