Home / 31,462.14-43,418.78-18,035.94

Finding the Fourth Proportional to 31,462.14, 43,418.78 and 18,035.94

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Solution

The fourth proportional to 31,462.14, 43,418.78 and 18,035.94 is: 24,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.14 : 43,418.78 = 18,035.94 : x
  2. Step 2: Convert to fraction form
    31,462.14/43,418.78 = 18,035.94/x
  3. Step 3: Cross multiply
    31,462.14x = 43,418.78 × 18,035.94
  4. Step 4: Simplify right side
    31,462.14x = 783,098,510.95
  5. Step 5: Solve for x
    x = 783,098,510.95/31,462.14
  6. Step 6: Final answer
    x = 24,890.19

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1.5x scale

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.