Home / 22,249.40-33,374.10-20,780.60

Finding the Fourth Proportional to 22,249.40, 33,374.10 and 20,780.60

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Solution

The fourth proportional to 22,249.40, 33,374.10 and 20,780.60 is: 31,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.40 : 33,374.10 = 20,780.60 : x
  2. Step 2: Convert to fraction form
    22,249.40/33,374.10 = 20,780.60/x
  3. Step 3: Cross multiply
    22,249.40x = 33,374.10 × 20,780.60
  4. Step 4: Simplify right side
    22,249.40x = 693,533,822.46
  5. Step 5: Solve for x
    x = 693,533,822.46/22,249.40
  6. Step 6: Final answer
    x = 31,170.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.