Home / 40,330.72-55,653.56-22,182.80

Finding the Fourth Proportional to 40,330.72, 55,653.56 and 22,182.80

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Solution

The fourth proportional to 40,330.72, 55,653.56 and 22,182.80 is: 30,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.72 : 55,653.56 = 22,182.80 : x
  2. Step 2: Convert to fraction form
    40,330.72/55,653.56 = 22,182.80/x
  3. Step 3: Cross multiply
    40,330.72x = 55,653.56 × 22,182.80
  4. Step 4: Simplify right side
    40,330.72x = 1,234,551,790.77
  5. Step 5: Solve for x
    x = 1,234,551,790.77/40,330.72
  6. Step 6: Final answer
    x = 30,610.71

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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.