Home / 40,522.39-55,926.18-22,621.12

Finding the Fourth Proportional to 40,522.39, 55,926.18 and 22,621.12

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Solution

The fourth proportional to 40,522.39, 55,926.18 and 22,621.12 is: 31,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,522.39 : 55,926.18 = 22,621.12 : x
  2. Step 2: Convert to fraction form
    40,522.39/55,926.18 = 22,621.12/x
  3. Step 3: Cross multiply
    40,522.39x = 55,926.18 × 22,621.12
  4. Step 4: Simplify right side
    40,522.39x = 1,265,112,689.11
  5. Step 5: Solve for x
    x = 1,265,112,689.11/40,522.39
  6. Step 6: Final answer
    x = 31,220.09

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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.