Home / 40,122.19-55,367.85-22,217.34

Finding the Fourth Proportional to 40,122.19, 55,367.85 and 22,217.34

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Solution

The fourth proportional to 40,122.19, 55,367.85 and 22,217.34 is: 30,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.19 : 55,367.85 = 22,217.34 : x
  2. Step 2: Convert to fraction form
    40,122.19/55,367.85 = 22,217.34/x
  3. Step 3: Cross multiply
    40,122.19x = 55,367.85 × 22,217.34
  4. Step 4: Simplify right side
    40,122.19x = 1,230,126,328.02
  5. Step 5: Solve for x
    x = 1,230,126,328.02/40,122.19
  6. Step 6: Final answer
    x = 30,659.50

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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.