Home / 31,401.92-43,337.04-17,977.38

Finding the Fourth Proportional to 31,401.92, 43,337.04 and 17,977.38

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Solution

The fourth proportional to 31,401.92, 43,337.04 and 17,977.38 is: 24,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.92 : 43,337.04 = 17,977.38 : x
  2. Step 2: Convert to fraction form
    31,401.92/43,337.04 = 17,977.38/x
  3. Step 3: Cross multiply
    31,401.92x = 43,337.04 × 17,977.38
  4. Step 4: Simplify right side
    31,401.92x = 779,086,436.16
  5. Step 5: Solve for x
    x = 779,086,436.16/31,401.92
  6. Step 6: Final answer
    x = 24,810.15

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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.