Home / 31,750.13-47,619.12-15,950.77

Finding the Fourth Proportional to 31,750.13, 47,619.12 and 15,950.77

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Solution

The fourth proportional to 31,750.13, 47,619.12 and 15,950.77 is: 23,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.13 : 47,619.12 = 15,950.77 : x
  2. Step 2: Convert to fraction form
    31,750.13/47,619.12 = 15,950.77/x
  3. Step 3: Cross multiply
    31,750.13x = 47,619.12 × 15,950.77
  4. Step 4: Simplify right side
    31,750.13x = 759,561,789.65
  5. Step 5: Solve for x
    x = 759,561,789.65/31,750.13
  6. Step 6: Final answer
    x = 23,923.11

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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.