Home / 40,993.41-61,498.76-13,289.25

Finding the Fourth Proportional to 40,993.41, 61,498.76 and 13,289.25

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Solution

The fourth proportional to 40,993.41, 61,498.76 and 13,289.25 is: 19,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,993.41 : 61,498.76 = 13,289.25 : x
  2. Step 2: Convert to fraction form
    40,993.41/61,498.76 = 13,289.25/x
  3. Step 3: Cross multiply
    40,993.41x = 61,498.76 × 13,289.25
  4. Step 4: Simplify right side
    40,993.41x = 817,272,329.88
  5. Step 5: Solve for x
    x = 817,272,329.88/40,993.41
  6. Step 6: Final answer
    x = 19,936.68

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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.