Home / 36,478.68-54,719.16-11,518.96

Finding the Fourth Proportional to 36,478.68, 54,719.16 and 11,518.96

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Solution

The fourth proportional to 36,478.68, 54,719.16 and 11,518.96 is: 17,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.68 : 54,719.16 = 11,518.96 : x
  2. Step 2: Convert to fraction form
    36,478.68/54,719.16 = 11,518.96/x
  3. Step 3: Cross multiply
    36,478.68x = 54,719.16 × 11,518.96
  4. Step 4: Simplify right side
    36,478.68x = 630,307,815.27
  5. Step 5: Solve for x
    x = 630,307,815.27/36,478.68
  6. Step 6: Final answer
    x = 17,278.80

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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.