Home / 40,024.32-55,232.76-22,118.94

Finding the Fourth Proportional to 40,024.32, 55,232.76 and 22,118.94

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Solution

The fourth proportional to 40,024.32, 55,232.76 and 22,118.94 is: 30,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.32 : 55,232.76 = 22,118.94 : x
  2. Step 2: Convert to fraction form
    40,024.32/55,232.76 = 22,118.94/x
  3. Step 3: Cross multiply
    40,024.32x = 55,232.76 × 22,118.94
  4. Step 4: Simplify right side
    40,024.32x = 1,221,690,104.47
  5. Step 5: Solve for x
    x = 1,221,690,104.47/40,024.32
  6. Step 6: Final answer
    x = 30,523.69

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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.