Home / 43,202.25-64,828.89-18,240.66

Finding the Fourth Proportional to 43,202.25, 64,828.89 and 18,240.66

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Solution

The fourth proportional to 43,202.25, 64,828.89 and 18,240.66 is: 27,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,202.25 : 64,828.89 = 18,240.66 : x
  2. Step 2: Convert to fraction form
    43,202.25/64,828.89 = 18,240.66/x
  3. Step 3: Cross multiply
    43,202.25x = 64,828.89 × 18,240.66
  4. Step 4: Simplify right side
    43,202.25x = 1,182,521,740.67
  5. Step 5: Solve for x
    x = 1,182,521,740.67/43,202.25
  6. Step 6: Final answer
    x = 27,371.76

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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.