Home / 45,269.80-67,860.96-15,665.38

Finding the Fourth Proportional to 45,269.80, 67,860.96 and 15,665.38

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Solution

The fourth proportional to 45,269.80, 67,860.96 and 15,665.38 is: 23,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,269.80 : 67,860.96 = 15,665.38 : x
  2. Step 2: Convert to fraction form
    45,269.80/67,860.96 = 15,665.38/x
  3. Step 3: Cross multiply
    45,269.80x = 67,860.96 × 15,665.38
  4. Step 4: Simplify right side
    45,269.80x = 1,063,067,725.56
  5. Step 5: Solve for x
    x = 1,063,067,725.56/45,269.80
  6. Step 6: Final answer
    x = 23,482.93

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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.