Home / 43,242.43-64,870.32-18,282.56

Finding the Fourth Proportional to 43,242.43, 64,870.32 and 18,282.56

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Solution

The fourth proportional to 43,242.43, 64,870.32 and 18,282.56 is: 27,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.43 : 64,870.32 = 18,282.56 : x
  2. Step 2: Convert to fraction form
    43,242.43/64,870.32 = 18,282.56/x
  3. Step 3: Cross multiply
    43,242.43x = 64,870.32 × 18,282.56
  4. Step 4: Simplify right side
    43,242.43x = 1,185,995,517.62
  5. Step 5: Solve for x
    x = 1,185,995,517.62/43,242.43
  6. Step 6: Final answer
    x = 27,426.66

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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.