Home / 63,278.45-87,321.49-36,421.82

Finding the Fourth Proportional to 63,278.45, 87,321.49 and 36,421.82

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Solution

The fourth proportional to 63,278.45, 87,321.49 and 36,421.82 is: 50,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,278.45 : 87,321.49 = 36,421.82 : x
  2. Step 2: Convert to fraction form
    63,278.45/87,321.49 = 36,421.82/x
  3. Step 3: Cross multiply
    63,278.45x = 87,321.49 × 36,421.82
  4. Step 4: Simplify right side
    63,278.45x = 3,180,407,590.91
  5. Step 5: Solve for x
    x = 3,180,407,590.91/63,278.45
  6. Step 6: Final answer
    x = 50,260.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.