Home / 39,691.06-59,530.98-13,392.34

Finding the Fourth Proportional to 39,691.06, 59,530.98 and 13,392.34

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Solution

The fourth proportional to 39,691.06, 59,530.98 and 13,392.34 is: 20,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.06 : 59,530.98 = 13,392.34 : x
  2. Step 2: Convert to fraction form
    39,691.06/59,530.98 = 13,392.34/x
  3. Step 3: Cross multiply
    39,691.06x = 59,530.98 × 13,392.34
  4. Step 4: Simplify right side
    39,691.06x = 797,259,124.69
  5. Step 5: Solve for x
    x = 797,259,124.69/39,691.06
  6. Step 6: Final answer
    x = 20,086.62

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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.