Home / 67,614.30-93,313.56-39,318

Finding the Fourth Proportional to 67,614.30, 93,313.56 and 39,318

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Solution

The fourth proportional to 67,614.30, 93,313.56 and 39,318 is: 54,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,614.30 : 93,313.56 = 39,318 : x
  2. Step 2: Convert to fraction form
    67,614.30/93,313.56 = 39,318/x
  3. Step 3: Cross multiply
    67,614.30x = 93,313.56 × 39,318
  4. Step 4: Simplify right side
    67,614.30x = 3,668,902,552.08
  5. Step 5: Solve for x
    x = 3,668,902,552.08/67,614.30
  6. Step 6: Final answer
    x = 54,262.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.