Home / 63,190.32-94,794.12-28,129.20

Finding the Fourth Proportional to 63,190.32, 94,794.12 and 28,129.20

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Solution

The fourth proportional to 63,190.32, 94,794.12 and 28,129.20 is: 42,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.32 : 94,794.12 = 28,129.20 : x
  2. Step 2: Convert to fraction form
    63,190.32/94,794.12 = 28,129.20/x
  3. Step 3: Cross multiply
    63,190.32x = 94,794.12 × 28,129.20
  4. Step 4: Simplify right side
    63,190.32x = 2,666,482,760.30
  5. Step 5: Solve for x
    x = 2,666,482,760.30/63,190.32
  6. Step 6: Final answer
    x = 42,197.65

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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.