Home / 39,897.39-59,854.85-11,819.66

Finding the Fourth Proportional to 39,897.39, 59,854.85 and 11,819.66

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Solution

The fourth proportional to 39,897.39, 59,854.85 and 11,819.66 is: 17,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.39 : 59,854.85 = 11,819.66 : x
  2. Step 2: Convert to fraction form
    39,897.39/59,854.85 = 11,819.66/x
  3. Step 3: Cross multiply
    39,897.39x = 59,854.85 × 11,819.66
  4. Step 4: Simplify right side
    39,897.39x = 707,463,662.30
  5. Step 5: Solve for x
    x = 707,463,662.30/39,897.39
  6. Step 6: Final answer
    x = 17,732.08

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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.