Home / 31,147.20-46,728.24-10,370.88

Finding the Fourth Proportional to 31,147.20, 46,728.24 and 10,370.88

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Solution

The fourth proportional to 31,147.20, 46,728.24 and 10,370.88 is: 15,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147.20 : 46,728.24 = 10,370.88 : x
  2. Step 2: Convert to fraction form
    31,147.20/46,728.24 = 10,370.88/x
  3. Step 3: Cross multiply
    31,147.20x = 46,728.24 × 10,370.88
  4. Step 4: Simplify right side
    31,147.20x = 484,612,969.65
  5. Step 5: Solve for x
    x = 484,612,969.65/31,147.20
  6. Step 6: Final answer
    x = 15,558.80

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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.