Home / 39,943.92-59,923.56-15,318

Finding the Fourth Proportional to 39,943.92, 59,923.56 and 15,318

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Solution

The fourth proportional to 39,943.92, 59,923.56 and 15,318 is: 22,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.92 : 59,923.56 = 15,318 : x
  2. Step 2: Convert to fraction form
    39,943.92/59,923.56 = 15,318/x
  3. Step 3: Cross multiply
    39,943.92x = 59,923.56 × 15,318
  4. Step 4: Simplify right side
    39,943.92x = 917,909,092.08
  5. Step 5: Solve for x
    x = 917,909,092.08/39,943.92
  6. Step 6: Final answer
    x = 22,979.95

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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.