Home / 63,669.12-95,470.72-28,578.56

Finding the Fourth Proportional to 63,669.12, 95,470.72 and 28,578.56

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Solution

The fourth proportional to 63,669.12, 95,470.72 and 28,578.56 is: 42,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,669.12 : 95,470.72 = 28,578.56 : x
  2. Step 2: Convert to fraction form
    63,669.12/95,470.72 = 28,578.56/x
  3. Step 3: Cross multiply
    63,669.12x = 95,470.72 × 28,578.56
  4. Step 4: Simplify right side
    63,669.12x = 2,728,415,699.76
  5. Step 5: Solve for x
    x = 2,728,415,699.76/63,669.12
  6. Step 6: Final answer
    x = 42,853.05

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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.