Home / 31,402.82-47,104.16-8,029.19

Finding the Fourth Proportional to 31,402.82, 47,104.16 and 8,029.19

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Solution

The fourth proportional to 31,402.82, 47,104.16 and 8,029.19 is: 12,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.82 : 47,104.16 = 8,029.19 : x
  2. Step 2: Convert to fraction form
    31,402.82/47,104.16 = 8,029.19/x
  3. Step 3: Cross multiply
    31,402.82x = 47,104.16 × 8,029.19
  4. Step 4: Simplify right side
    31,402.82x = 378,207,974.76
  5. Step 5: Solve for x
    x = 378,207,974.76/31,402.82
  6. Step 6: Final answer
    x = 12,043.76

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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.