Home / 40,023.72-55,228.02-22,117.66

Finding the Fourth Proportional to 40,023.72, 55,228.02 and 22,117.66

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Solution

The fourth proportional to 40,023.72, 55,228.02 and 22,117.66 is: 30,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023.72 : 55,228.02 = 22,117.66 : x
  2. Step 2: Convert to fraction form
    40,023.72/55,228.02 = 22,117.66/x
  3. Step 3: Cross multiply
    40,023.72x = 55,228.02 × 22,117.66
  4. Step 4: Simplify right side
    40,023.72x = 1,221,514,568.83
  5. Step 5: Solve for x
    x = 1,221,514,568.83/40,023.72
  6. Step 6: Final answer
    x = 30,519.76

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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.