Home / 40,335.05-55,655.82-22,429.60

Finding the Fourth Proportional to 40,335.05, 55,655.82 and 22,429.60

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Solution

The fourth proportional to 40,335.05, 55,655.82 and 22,429.60 is: 30,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.05 : 55,655.82 = 22,429.60 : x
  2. Step 2: Convert to fraction form
    40,335.05/55,655.82 = 22,429.60/x
  3. Step 3: Cross multiply
    40,335.05x = 55,655.82 × 22,429.60
  4. Step 4: Simplify right side
    40,335.05x = 1,248,337,780.27
  5. Step 5: Solve for x
    x = 1,248,337,780.27/40,335.05
  6. Step 6: Final answer
    x = 30,949.21

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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.