Home / 31,290.62-46,943.24-10,231.65

Finding the Fourth Proportional to 31,290.62, 46,943.24 and 10,231.65

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Solution

The fourth proportional to 31,290.62, 46,943.24 and 10,231.65 is: 15,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.62 : 46,943.24 = 10,231.65 : x
  2. Step 2: Convert to fraction form
    31,290.62/46,943.24 = 10,231.65/x
  3. Step 3: Cross multiply
    31,290.62x = 46,943.24 × 10,231.65
  4. Step 4: Simplify right side
    31,290.62x = 480,306,750.39
  5. Step 5: Solve for x
    x = 480,306,750.39/31,290.62
  6. Step 6: Final answer
    x = 15,349.87

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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.