Home / 40,354.62-55,689.48-22,449.75

Finding the Fourth Proportional to 40,354.62, 55,689.48 and 22,449.75

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Solution

The fourth proportional to 40,354.62, 55,689.48 and 22,449.75 is: 30,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.62 : 55,689.48 = 22,449.75 : x
  2. Step 2: Convert to fraction form
    40,354.62/55,689.48 = 22,449.75/x
  3. Step 3: Cross multiply
    40,354.62x = 55,689.48 × 22,449.75
  4. Step 4: Simplify right side
    40,354.62x = 1,250,214,903.63
  5. Step 5: Solve for x
    x = 1,250,214,903.63/40,354.62
  6. Step 6: Final answer
    x = 30,980.71

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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.