Home / 40,302.15-55,618.82-22,398.92

Finding the Fourth Proportional to 40,302.15, 55,618.82 and 22,398.92

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Solution

The fourth proportional to 40,302.15, 55,618.82 and 22,398.92 is: 30,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.15 : 55,618.82 = 22,398.92 : x
  2. Step 2: Convert to fraction form
    40,302.15/55,618.82 = 22,398.92/x
  3. Step 3: Cross multiply
    40,302.15x = 55,618.82 × 22,398.92
  4. Step 4: Simplify right side
    40,302.15x = 1,245,801,499.67
  5. Step 5: Solve for x
    x = 1,245,801,499.67/40,302.15
  6. Step 6: Final answer
    x = 30,911.54

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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.