Home / 36,228.60-54,278.10-30,655.80

Finding the Fourth Proportional to 36,228.60, 54,278.10 and 30,655.80

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Solution

The fourth proportional to 36,228.60, 54,278.10 and 30,655.80 is: 45,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.60 : 54,278.10 = 30,655.80 : x
  2. Step 2: Convert to fraction form
    36,228.60/54,278.10 = 30,655.80/x
  3. Step 3: Cross multiply
    36,228.60x = 54,278.10 × 30,655.80
  4. Step 4: Simplify right side
    36,228.60x = 1,663,938,577.98
  5. Step 5: Solve for x
    x = 1,663,938,577.98/36,228.60
  6. Step 6: Final answer
    x = 45,928.87

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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.