Home / 43,311.38-64,967.07-10,479.38

Finding the Fourth Proportional to 43,311.38, 64,967.07 and 10,479.38

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Solution

The fourth proportional to 43,311.38, 64,967.07 and 10,479.38 is: 15,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.38 : 64,967.07 = 10,479.38 : x
  2. Step 2: Convert to fraction form
    43,311.38/64,967.07 = 10,479.38/x
  3. Step 3: Cross multiply
    43,311.38x = 64,967.07 × 10,479.38
  4. Step 4: Simplify right side
    43,311.38x = 680,814,236.78
  5. Step 5: Solve for x
    x = 680,814,236.78/43,311.38
  6. Step 6: Final answer
    x = 15,719.06

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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.