Home / 43,158.88-64,711.32-18,186.04

Finding the Fourth Proportional to 43,158.88, 64,711.32 and 18,186.04

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Solution

The fourth proportional to 43,158.88, 64,711.32 and 18,186.04 is: 27,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,158.88 : 64,711.32 = 18,186.04 : x
  2. Step 2: Convert to fraction form
    43,158.88/64,711.32 = 18,186.04/x
  3. Step 3: Cross multiply
    43,158.88x = 64,711.32 × 18,186.04
  4. Step 4: Simplify right side
    43,158.88x = 1,176,842,653.97
  5. Step 5: Solve for x
    x = 1,176,842,653.97/43,158.88
  6. Step 6: Final answer
    x = 27,267.68

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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.