Home / 52,780.31-79,175.65-15,340.69

Finding the Fourth Proportional to 52,780.31, 79,175.65 and 15,340.69

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Solution

The fourth proportional to 52,780.31, 79,175.65 and 15,340.69 is: 23,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.31 : 79,175.65 = 15,340.69 : x
  2. Step 2: Convert to fraction form
    52,780.31/79,175.65 = 15,340.69/x
  3. Step 3: Cross multiply
    52,780.31x = 79,175.65 × 15,340.69
  4. Step 4: Simplify right side
    52,780.31x = 1,214,609,025.50
  5. Step 5: Solve for x
    x = 1,214,609,025.50/52,780.31
  6. Step 6: Final answer
    x = 23,012.54

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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.