Home / 40,143.60-55,401.57-22,244.22

Finding the Fourth Proportional to 40,143.60, 55,401.57 and 22,244.22

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Solution

The fourth proportional to 40,143.60, 55,401.57 and 22,244.22 is: 30,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.60 : 55,401.57 = 22,244.22 : x
  2. Step 2: Convert to fraction form
    40,143.60/55,401.57 = 22,244.22/x
  3. Step 3: Cross multiply
    40,143.60x = 55,401.57 × 22,244.22
  4. Step 4: Simplify right side
    40,143.60x = 1,232,364,711.43
  5. Step 5: Solve for x
    x = 1,232,364,711.43/40,143.60
  6. Step 6: Final answer
    x = 30,698.91

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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.