Home / 43,247.23-64,879.60-18,287.24

Finding the Fourth Proportional to 43,247.23, 64,879.60 and 18,287.24

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Solution

The fourth proportional to 43,247.23, 64,879.60 and 18,287.24 is: 27,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,247.23 : 64,879.60 = 18,287.24 : x
  2. Step 2: Convert to fraction form
    43,247.23/64,879.60 = 18,287.24/x
  3. Step 3: Cross multiply
    43,247.23x = 64,879.60 × 18,287.24
  4. Step 4: Simplify right side
    43,247.23x = 1,186,468,816.30
  5. Step 5: Solve for x
    x = 1,186,468,816.30/43,247.23
  6. Step 6: Final answer
    x = 27,434.56

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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.