Home / 40,254.50-55,550.99-22,105.57

Finding the Fourth Proportional to 40,254.50, 55,550.99 and 22,105.57

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Solution

The fourth proportional to 40,254.50, 55,550.99 and 22,105.57 is: 30,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,254.50 : 55,550.99 = 22,105.57 : x
  2. Step 2: Convert to fraction form
    40,254.50/55,550.99 = 22,105.57/x
  3. Step 3: Cross multiply
    40,254.50x = 55,550.99 × 22,105.57
  4. Step 4: Simplify right side
    40,254.50x = 1,227,986,214.40
  5. Step 5: Solve for x
    x = 1,227,986,214.40/40,254.50
  6. Step 6: Final answer
    x = 30,505.57

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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.