Home / 73,728.20-110,592.30-18,324.20

Finding the Fourth Proportional to 73,728.20, 110,592.30 and 18,324.20

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Solution

The fourth proportional to 73,728.20, 110,592.30 and 18,324.20 is: 27,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,728.20 : 110,592.30 = 18,324.20 : x
  2. Step 2: Convert to fraction form
    73,728.20/110,592.30 = 18,324.20/x
  3. Step 3: Cross multiply
    73,728.20x = 110,592.30 × 18,324.20
  4. Step 4: Simplify right side
    73,728.20x = 2,026,515,423.66
  5. Step 5: Solve for x
    x = 2,026,515,423.66/73,728.20
  6. Step 6: Final answer
    x = 27,486.30

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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.