Home / 39,768.85-59,653.77-10,185.91

Finding the Fourth Proportional to 39,768.85, 59,653.77 and 10,185.91

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Solution

The fourth proportional to 39,768.85, 59,653.77 and 10,185.91 is: 15,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.85 : 59,653.77 = 10,185.91 : x
  2. Step 2: Convert to fraction form
    39,768.85/59,653.77 = 10,185.91/x
  3. Step 3: Cross multiply
    39,768.85x = 59,653.77 × 10,185.91
  4. Step 4: Simplify right side
    39,768.85x = 607,627,932.38
  5. Step 5: Solve for x
    x = 607,627,932.38/39,768.85
  6. Step 6: Final answer
    x = 15,278.99

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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.