Home / 40,012.66-60,021.91-13,717.18

Finding the Fourth Proportional to 40,012.66, 60,021.91 and 13,717.18

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Solution

The fourth proportional to 40,012.66, 60,021.91 and 13,717.18 is: 20,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.66 : 60,021.91 = 13,717.18 : x
  2. Step 2: Convert to fraction form
    40,012.66/60,021.91 = 13,717.18/x
  3. Step 3: Cross multiply
    40,012.66x = 60,021.91 × 13,717.18
  4. Step 4: Simplify right side
    40,012.66x = 823,331,343.41
  5. Step 5: Solve for x
    x = 823,331,343.41/40,012.66
  6. Step 6: Final answer
    x = 20,576.77

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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.