Home / 31,984.65-47,997.72-14,454.63

Finding the Fourth Proportional to 31,984.65, 47,997.72 and 14,454.63

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Solution

The fourth proportional to 31,984.65, 47,997.72 and 14,454.63 is: 21,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.65 : 47,997.72 = 14,454.63 : x
  2. Step 2: Convert to fraction form
    31,984.65/47,997.72 = 14,454.63/x
  3. Step 3: Cross multiply
    31,984.65x = 47,997.72 × 14,454.63
  4. Step 4: Simplify right side
    31,984.65x = 693,789,283.44
  5. Step 5: Solve for x
    x = 693,789,283.44/31,984.65
  6. Step 6: Final answer
    x = 21,691.32

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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.