Home / 31,659.24-47,512.23-15,019.35

Finding the Fourth Proportional to 31,659.24, 47,512.23 and 15,019.35

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Solution

The fourth proportional to 31,659.24, 47,512.23 and 15,019.35 is: 22,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.24 : 47,512.23 = 15,019.35 : x
  2. Step 2: Convert to fraction form
    31,659.24/47,512.23 = 15,019.35/x
  3. Step 3: Cross multiply
    31,659.24x = 47,512.23 × 15,019.35
  4. Step 4: Simplify right side
    31,659.24x = 713,602,811.65
  5. Step 5: Solve for x
    x = 713,602,811.65/31,659.24
  6. Step 6: Final answer
    x = 22,540.11

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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.