Home / 45,190.57-67,740.73-15,589.52

Finding the Fourth Proportional to 45,190.57, 67,740.73 and 15,589.52

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Solution

The fourth proportional to 45,190.57, 67,740.73 and 15,589.52 is: 23,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.57 : 67,740.73 = 15,589.52 : x
  2. Step 2: Convert to fraction form
    45,190.57/67,740.73 = 15,589.52/x
  3. Step 3: Cross multiply
    45,190.57x = 67,740.73 × 15,589.52
  4. Step 4: Simplify right side
    45,190.57x = 1,056,045,465.15
  5. Step 5: Solve for x
    x = 1,056,045,465.15/45,190.57
  6. Step 6: Final answer
    x = 23,368.71

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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.