Home / 31,372.99-47,049.48-10,308.13

Finding the Fourth Proportional to 31,372.99, 47,049.48 and 10,308.13

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Solution

The fourth proportional to 31,372.99, 47,049.48 and 10,308.13 is: 15,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.99 : 47,049.48 = 10,308.13 : x
  2. Step 2: Convert to fraction form
    31,372.99/47,049.48 = 10,308.13/x
  3. Step 3: Cross multiply
    31,372.99x = 47,049.48 × 10,308.13
  4. Step 4: Simplify right side
    31,372.99x = 484,992,038.65
  5. Step 5: Solve for x
    x = 484,992,038.65/31,372.99
  6. Step 6: Final answer
    x = 15,458.91

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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.