Home / 43,233.20-64,868.86-18,290.46

Finding the Fourth Proportional to 43,233.20, 64,868.86 and 18,290.46

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Solution

The fourth proportional to 43,233.20, 64,868.86 and 18,290.46 is: 27,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.20 : 64,868.86 = 18,290.46 : x
  2. Step 2: Convert to fraction form
    43,233.20/64,868.86 = 18,290.46/x
  3. Step 3: Cross multiply
    43,233.20x = 64,868.86 × 18,290.46
  4. Step 4: Simplify right side
    43,233.20x = 1,186,481,289.08
  5. Step 5: Solve for x
    x = 1,186,481,289.08/43,233.20
  6. Step 6: Final answer
    x = 27,443.75

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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.