Home / 40,221.11-55,502.47-22,315.52

Finding the Fourth Proportional to 40,221.11, 55,502.47 and 22,315.52

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Solution

The fourth proportional to 40,221.11, 55,502.47 and 22,315.52 is: 30,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.11 : 55,502.47 = 22,315.52 : x
  2. Step 2: Convert to fraction form
    40,221.11/55,502.47 = 22,315.52/x
  3. Step 3: Cross multiply
    40,221.11x = 55,502.47 × 22,315.52
  4. Step 4: Simplify right side
    40,221.11x = 1,238,566,479.33
  5. Step 5: Solve for x
    x = 1,238,566,479.33/40,221.11
  6. Step 6: Final answer
    x = 30,793.94

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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.