Home / 31,024.92-42,815.34-16,876.92

Finding the Fourth Proportional to 31,024.92, 42,815.34 and 16,876.92

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Solution

The fourth proportional to 31,024.92, 42,815.34 and 16,876.92 is: 23,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.92 : 42,815.34 = 16,876.92 : x
  2. Step 2: Convert to fraction form
    31,024.92/42,815.34 = 16,876.92/x
  3. Step 3: Cross multiply
    31,024.92x = 42,815.34 × 16,876.92
  4. Step 4: Simplify right side
    31,024.92x = 722,591,067.95
  5. Step 5: Solve for x
    x = 722,591,067.95/31,024.92
  6. Step 6: Final answer
    x = 23,290.67

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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.