Home / 43,471.02-65,147.37-18,479.66

Finding the Fourth Proportional to 43,471.02, 65,147.37 and 18,479.66

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Solution

The fourth proportional to 43,471.02, 65,147.37 and 18,479.66 is: 27,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.02 : 65,147.37 = 18,479.66 : x
  2. Step 2: Convert to fraction form
    43,471.02/65,147.37 = 18,479.66/x
  3. Step 3: Cross multiply
    43,471.02x = 65,147.37 × 18,479.66
  4. Step 4: Simplify right side
    43,471.02x = 1,203,901,247.49
  5. Step 5: Solve for x
    x = 1,203,901,247.49/43,471.02
  6. Step 6: Final answer
    x = 27,694.34

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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.