Home / 45,354.20-68,031.44-13,764.52

Finding the Fourth Proportional to 45,354.20, 68,031.44 and 13,764.52

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Solution

The fourth proportional to 45,354.20, 68,031.44 and 13,764.52 is: 20,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.20 : 68,031.44 = 13,764.52 : x
  2. Step 2: Convert to fraction form
    45,354.20/68,031.44 = 13,764.52/x
  3. Step 3: Cross multiply
    45,354.20x = 68,031.44 × 13,764.52
  4. Step 4: Simplify right side
    45,354.20x = 936,420,116.51
  5. Step 5: Solve for x
    x = 936,420,116.51/45,354.20
  6. Step 6: Final answer
    x = 20,646.82

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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.