Home / 42,249.60-63,351.11-28,937.86

Finding the Fourth Proportional to 42,249.60, 63,351.11 and 28,937.86

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Solution

The fourth proportional to 42,249.60, 63,351.11 and 28,937.86 is: 43,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249.60 : 63,351.11 = 28,937.86 : x
  2. Step 2: Convert to fraction form
    42,249.60/63,351.11 = 28,937.86/x
  3. Step 3: Cross multiply
    42,249.60x = 63,351.11 × 28,937.86
  4. Step 4: Simplify right side
    42,249.60x = 1,833,245,465.99
  5. Step 5: Solve for x
    x = 1,833,245,465.99/42,249.60
  6. Step 6: Final answer
    x = 43,390.84

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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.