Home / 63,408.80-95,115.39-30,111.68

Finding the Fourth Proportional to 63,408.80, 95,115.39 and 30,111.68

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Solution

The fourth proportional to 63,408.80, 95,115.39 and 30,111.68 is: 45,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.80 : 95,115.39 = 30,111.68 : x
  2. Step 2: Convert to fraction form
    63,408.80/95,115.39 = 30,111.68/x
  3. Step 3: Cross multiply
    63,408.80x = 95,115.39 × 30,111.68
  4. Step 4: Simplify right side
    63,408.80x = 2,864,084,186.76
  5. Step 5: Solve for x
    x = 2,864,084,186.76/63,408.80
  6. Step 6: Final answer
    x = 45,168.56

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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.