Home / 40,213.67-55,488.85-22,308.62

Finding the Fourth Proportional to 40,213.67, 55,488.85 and 22,308.62

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Solution

The fourth proportional to 40,213.67, 55,488.85 and 22,308.62 is: 30,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.67 : 55,488.85 = 22,308.62 : x
  2. Step 2: Convert to fraction form
    40,213.67/55,488.85 = 22,308.62/x
  3. Step 3: Cross multiply
    40,213.67x = 55,488.85 × 22,308.62
  4. Step 4: Simplify right side
    40,213.67x = 1,237,879,335.67
  5. Step 5: Solve for x
    x = 1,237,879,335.67/40,213.67
  6. Step 6: Final answer
    x = 30,782.55

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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.