Home / 31,024.11-42,813.45-16,876.92

Finding the Fourth Proportional to 31,024.11, 42,813.45 and 16,876.92

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Solution

The fourth proportional to 31,024.11, 42,813.45 and 16,876.92 is: 23,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.11 : 42,813.45 = 16,876.92 : x
  2. Step 2: Convert to fraction form
    31,024.11/42,813.45 = 16,876.92/x
  3. Step 3: Cross multiply
    31,024.11x = 42,813.45 × 16,876.92
  4. Step 4: Simplify right side
    31,024.11x = 722,559,170.57
  5. Step 5: Solve for x
    x = 722,559,170.57/31,024.11
  6. Step 6: Final answer
    x = 23,290.25

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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.