Home / 40,169.95-55,428.60-22,264.88

Finding the Fourth Proportional to 40,169.95, 55,428.60 and 22,264.88

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Solution

The fourth proportional to 40,169.95, 55,428.60 and 22,264.88 is: 30,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.95 : 55,428.60 = 22,264.88 : x
  2. Step 2: Convert to fraction form
    40,169.95/55,428.60 = 22,264.88/x
  3. Step 3: Cross multiply
    40,169.95x = 55,428.60 × 22,264.88
  4. Step 4: Simplify right side
    40,169.95x = 1,234,110,933.92
  5. Step 5: Solve for x
    x = 1,234,110,933.92/40,169.95
  6. Step 6: Final answer
    x = 30,722.24

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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.