Home / 40,354.11-55,690.74-22,449.47

Finding the Fourth Proportional to 40,354.11, 55,690.74 and 22,449.47

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Solution

The fourth proportional to 40,354.11, 55,690.74 and 22,449.47 is: 30,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.11 : 55,690.74 = 22,449.47 : x
  2. Step 2: Convert to fraction form
    40,354.11/55,690.74 = 22,449.47/x
  3. Step 3: Cross multiply
    40,354.11x = 55,690.74 × 22,449.47
  4. Step 4: Simplify right side
    40,354.11x = 1,250,227,318.45
  5. Step 5: Solve for x
    x = 1,250,227,318.45/40,354.11
  6. Step 6: Final answer
    x = 30,981.41

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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.