Home / 40,123.67-55,370.93-22,219.83

Finding the Fourth Proportional to 40,123.67, 55,370.93 and 22,219.83

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Solution

The fourth proportional to 40,123.67, 55,370.93 and 22,219.83 is: 30,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.67 : 55,370.93 = 22,219.83 : x
  2. Step 2: Convert to fraction form
    40,123.67/55,370.93 = 22,219.83/x
  3. Step 3: Cross multiply
    40,123.67x = 55,370.93 × 22,219.83
  4. Step 4: Simplify right side
    40,123.67x = 1,230,332,540.44
  5. Step 5: Solve for x
    x = 1,230,332,540.44/40,123.67
  6. Step 6: Final answer
    x = 30,663.51

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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.