Home / 40,123.72-55,365.30-22,218.26

Finding the Fourth Proportional to 40,123.72, 55,365.30 and 22,218.26

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Solution

The fourth proportional to 40,123.72, 55,365.30 and 22,218.26 is: 30,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.72 : 55,365.30 = 22,218.26 : x
  2. Step 2: Convert to fraction form
    40,123.72/55,365.30 = 22,218.26/x
  3. Step 3: Cross multiply
    40,123.72x = 55,365.30 × 22,218.26
  4. Step 4: Simplify right side
    40,123.72x = 1,230,120,768.79
  5. Step 5: Solve for x
    x = 1,230,120,768.79/40,123.72
  6. Step 6: Final answer
    x = 30,658.20

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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.