Home / 40,138.97-60,217.26-13,483.99

Finding the Fourth Proportional to 40,138.97, 60,217.26 and 13,483.99

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Solution

The fourth proportional to 40,138.97, 60,217.26 and 13,483.99 is: 20,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.97 : 60,217.26 = 13,483.99 : x
  2. Step 2: Convert to fraction form
    40,138.97/60,217.26 = 13,483.99/x
  3. Step 3: Cross multiply
    40,138.97x = 60,217.26 × 13,483.99
  4. Step 4: Simplify right side
    40,138.97x = 811,968,956.37
  5. Step 5: Solve for x
    x = 811,968,956.37/40,138.97
  6. Step 6: Final answer
    x = 20,228.95

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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.