Home / 39,904.88-59,857.91-11,827.79

Finding the Fourth Proportional to 39,904.88, 59,857.91 and 11,827.79

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Solution

The fourth proportional to 39,904.88, 59,857.91 and 11,827.79 is: 17,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.88 : 59,857.91 = 11,827.79 : x
  2. Step 2: Convert to fraction form
    39,904.88/59,857.91 = 11,827.79/x
  3. Step 3: Cross multiply
    39,904.88x = 59,857.91 × 11,827.79
  4. Step 4: Simplify right side
    39,904.88x = 707,986,519.60
  5. Step 5: Solve for x
    x = 707,986,519.60/39,904.88
  6. Step 6: Final answer
    x = 17,741.85

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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.