Home / 41,430.48-62,121.72-28,298.72

Finding the Fourth Proportional to 41,430.48, 62,121.72 and 28,298.72

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Solution

The fourth proportional to 41,430.48, 62,121.72 and 28,298.72 is: 42,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,430.48 : 62,121.72 = 28,298.72 : x
  2. Step 2: Convert to fraction form
    41,430.48/62,121.72 = 28,298.72/x
  3. Step 3: Cross multiply
    41,430.48x = 62,121.72 × 28,298.72
  4. Step 4: Simplify right side
    41,430.48x = 1,757,965,160.20
  5. Step 5: Solve for x
    x = 1,757,965,160.20/41,430.48
  6. Step 6: Final answer
    x = 42,431.69

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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.