Home / 31,375.19-47,048.97-14,739.95

Finding the Fourth Proportional to 31,375.19, 47,048.97 and 14,739.95

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Solution

The fourth proportional to 31,375.19, 47,048.97 and 14,739.95 is: 22,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.19 : 47,048.97 = 14,739.95 : x
  2. Step 2: Convert to fraction form
    31,375.19/47,048.97 = 14,739.95/x
  3. Step 3: Cross multiply
    31,375.19x = 47,048.97 × 14,739.95
  4. Step 4: Simplify right side
    31,375.19x = 693,499,465.35
  5. Step 5: Solve for x
    x = 693,499,465.35/31,375.19
  6. Step 6: Final answer
    x = 22,103.43

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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.