Home / 63,780.40-95,674.20-19,408.60

Finding the Fourth Proportional to 63,780.40, 95,674.20 and 19,408.60

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Solution

The fourth proportional to 63,780.40, 95,674.20 and 19,408.60 is: 29,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.40 : 95,674.20 = 19,408.60 : x
  2. Step 2: Convert to fraction form
    63,780.40/95,674.20 = 19,408.60/x
  3. Step 3: Cross multiply
    63,780.40x = 95,674.20 × 19,408.60
  4. Step 4: Simplify right side
    63,780.40x = 1,856,902,278.12
  5. Step 5: Solve for x
    x = 1,856,902,278.12/63,780.40
  6. Step 6: Final answer
    x = 29,114.00

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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.