Home / 40,540.20-55,944.57-22,636.89

Finding the Fourth Proportional to 40,540.20, 55,944.57 and 22,636.89

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Solution

The fourth proportional to 40,540.20, 55,944.57 and 22,636.89 is: 31,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.20 : 55,944.57 = 22,636.89 : x
  2. Step 2: Convert to fraction form
    40,540.20/55,944.57 = 22,636.89/x
  3. Step 3: Cross multiply
    40,540.20x = 55,944.57 × 22,636.89
  4. Step 4: Simplify right side
    40,540.20x = 1,266,411,077.19
  5. Step 5: Solve for x
    x = 1,266,411,077.19/40,540.20
  6. Step 6: Final answer
    x = 31,238.40

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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.