Home / 31,742.26-47,612.95-7,726.66

Finding the Fourth Proportional to 31,742.26, 47,612.95 and 7,726.66

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Solution

The fourth proportional to 31,742.26, 47,612.95 and 7,726.66 is: 11,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.26 : 47,612.95 = 7,726.66 : x
  2. Step 2: Convert to fraction form
    31,742.26/47,612.95 = 7,726.66/x
  3. Step 3: Cross multiply
    31,742.26x = 47,612.95 × 7,726.66
  4. Step 4: Simplify right side
    31,742.26x = 367,889,076.25
  5. Step 5: Solve for x
    x = 367,889,076.25/31,742.26
  6. Step 6: Final answer
    x = 11,589.88

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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.