Home / 31,509.20-47,277.71-16,714.49

Finding the Fourth Proportional to 31,509.20, 47,277.71 and 16,714.49

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Solution

The fourth proportional to 31,509.20, 47,277.71 and 16,714.49 is: 25,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.20 : 47,277.71 = 16,714.49 : x
  2. Step 2: Convert to fraction form
    31,509.20/47,277.71 = 16,714.49/x
  3. Step 3: Cross multiply
    31,509.20x = 47,277.71 × 16,714.49
  4. Step 4: Simplify right side
    31,509.20x = 790,222,845.64
  5. Step 5: Solve for x
    x = 790,222,845.64/31,509.20
  6. Step 6: Final answer
    x = 25,079.11

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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.