Home / 41,402.80-57,136.08-22,540.06

Finding the Fourth Proportional to 41,402.80, 57,136.08 and 22,540.06

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Solution

The fourth proportional to 41,402.80, 57,136.08 and 22,540.06 is: 31,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,402.80 : 57,136.08 = 22,540.06 : x
  2. Step 2: Convert to fraction form
    41,402.80/57,136.08 = 22,540.06/x
  3. Step 3: Cross multiply
    41,402.80x = 57,136.08 × 22,540.06
  4. Step 4: Simplify right side
    41,402.80x = 1,287,850,671.36
  5. Step 5: Solve for x
    x = 1,287,850,671.36/41,402.80
  6. Step 6: Final answer
    x = 31,105.40

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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.