Home / 51,169.30-70,608.81-28,505.98

Finding the Fourth Proportional to 51,169.30, 70,608.81 and 28,505.98

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Solution

The fourth proportional to 51,169.30, 70,608.81 and 28,505.98 is: 39,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,169.30 : 70,608.81 = 28,505.98 : x
  2. Step 2: Convert to fraction form
    51,169.30/70,608.81 = 28,505.98/x
  3. Step 3: Cross multiply
    51,169.30x = 70,608.81 × 28,505.98
  4. Step 4: Simplify right side
    51,169.30x = 2,012,773,325.68
  5. Step 5: Solve for x
    x = 2,012,773,325.68/51,169.30
  6. Step 6: Final answer
    x = 39,335.56

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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.