Home / 45,007.85-67,470.04-15,418.65

Finding the Fourth Proportional to 45,007.85, 67,470.04 and 15,418.65

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Solution

The fourth proportional to 45,007.85, 67,470.04 and 15,418.65 is: 23,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.85 : 67,470.04 = 15,418.65 : x
  2. Step 2: Convert to fraction form
    45,007.85/67,470.04 = 15,418.65/x
  3. Step 3: Cross multiply
    45,007.85x = 67,470.04 × 15,418.65
  4. Step 4: Simplify right side
    45,007.85x = 1,040,296,855.15
  5. Step 5: Solve for x
    x = 1,040,296,855.15/45,007.85
  6. Step 6: Final answer
    x = 23,113.68

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1.5x scale

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.