Home / 40,169.48-55,430.82-22,264.11

Finding the Fourth Proportional to 40,169.48, 55,430.82 and 22,264.11

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Solution

The fourth proportional to 40,169.48, 55,430.82 and 22,264.11 is: 30,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.48 : 55,430.82 = 22,264.11 : x
  2. Step 2: Convert to fraction form
    40,169.48/55,430.82 = 22,264.11/x
  3. Step 3: Cross multiply
    40,169.48x = 55,430.82 × 22,264.11
  4. Step 4: Simplify right side
    40,169.48x = 1,234,117,873.87
  5. Step 5: Solve for x
    x = 1,234,117,873.87/40,169.48
  6. Step 6: Final answer
    x = 30,722.78

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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.