Home / 29,380.50-40,545.09-16,805.25

Finding the Fourth Proportional to 29,380.50, 40,545.09 and 16,805.25

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Solution

The fourth proportional to 29,380.50, 40,545.09 and 16,805.25 is: 23,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.50 : 40,545.09 = 16,805.25 : x
  2. Step 2: Convert to fraction form
    29,380.50/40,545.09 = 16,805.25/x
  3. Step 3: Cross multiply
    29,380.50x = 40,545.09 × 16,805.25
  4. Step 4: Simplify right side
    29,380.50x = 681,370,373.72
  5. Step 5: Solve for x
    x = 681,370,373.72/29,380.50
  6. Step 6: Final answer
    x = 23,191.25

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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.