Home / 40,239.89-55,528.44-22,334.90

Finding the Fourth Proportional to 40,239.89, 55,528.44 and 22,334.90

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Solution

The fourth proportional to 40,239.89, 55,528.44 and 22,334.90 is: 30,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.89 : 55,528.44 = 22,334.90 : x
  2. Step 2: Convert to fraction form
    40,239.89/55,528.44 = 22,334.90/x
  3. Step 3: Cross multiply
    40,239.89x = 55,528.44 × 22,334.90
  4. Step 4: Simplify right side
    40,239.89x = 1,240,222,154.56
  5. Step 5: Solve for x
    x = 1,240,222,154.56/40,239.89
  6. Step 6: Final answer
    x = 30,820.71

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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.