Home / 45,339.24-68,008.86-13,749.24

Finding the Fourth Proportional to 45,339.24, 68,008.86 and 13,749.24

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Solution

The fourth proportional to 45,339.24, 68,008.86 and 13,749.24 is: 20,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,339.24 : 68,008.86 = 13,749.24 : x
  2. Step 2: Convert to fraction form
    45,339.24/68,008.86 = 13,749.24/x
  3. Step 3: Cross multiply
    45,339.24x = 68,008.86 × 13,749.24
  4. Step 4: Simplify right side
    45,339.24x = 935,070,138.27
  5. Step 5: Solve for x
    x = 935,070,138.27/45,339.24
  6. Step 6: Final answer
    x = 20,623.86

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Similar ratio
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1.5x scale

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.