Home / 39,904.69-59,857.04-13,609.66

Finding the Fourth Proportional to 39,904.69, 59,857.04 and 13,609.66

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Solution

The fourth proportional to 39,904.69, 59,857.04 and 13,609.66 is: 20,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.69 : 59,857.04 = 13,609.66 : x
  2. Step 2: Convert to fraction form
    39,904.69/59,857.04 = 13,609.66/x
  3. Step 3: Cross multiply
    39,904.69x = 59,857.04 × 13,609.66
  4. Step 4: Simplify right side
    39,904.69x = 814,633,894.96
  5. Step 5: Solve for x
    x = 814,633,894.96/39,904.69
  6. Step 6: Final answer
    x = 20,414.49

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Similar ratio
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1.5x scale

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.