Home / 39,939.92-59,917.56-15,314

Finding the Fourth Proportional to 39,939.92, 59,917.56 and 15,314

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Solution

The fourth proportional to 39,939.92, 59,917.56 and 15,314 is: 22,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.92 : 59,917.56 = 15,314 : x
  2. Step 2: Convert to fraction form
    39,939.92/59,917.56 = 15,314/x
  3. Step 3: Cross multiply
    39,939.92x = 59,917.56 × 15,314
  4. Step 4: Simplify right side
    39,939.92x = 917,577,513.84
  5. Step 5: Solve for x
    x = 917,577,513.84/39,939.92
  6. Step 6: Final answer
    x = 22,973.94

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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.