Home / 63,012.20-94,519.44-18,638.91

Finding the Fourth Proportional to 63,012.20, 94,519.44 and 18,638.91

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Solution

The fourth proportional to 63,012.20, 94,519.44 and 18,638.91 is: 27,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012.20 : 94,519.44 = 18,638.91 : x
  2. Step 2: Convert to fraction form
    63,012.20/94,519.44 = 18,638.91/x
  3. Step 3: Cross multiply
    63,012.20x = 94,519.44 × 18,638.91
  4. Step 4: Simplify right side
    63,012.20x = 1,761,739,335.41
  5. Step 5: Solve for x
    x = 1,761,739,335.41/63,012.20
  6. Step 6: Final answer
    x = 27,958.70

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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.