Home / 36,609.66-54,851.79-19,981.36

Finding the Fourth Proportional to 36,609.66, 54,851.79 and 19,981.36

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Solution

The fourth proportional to 36,609.66, 54,851.79 and 19,981.36 is: 29,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609.66 : 54,851.79 = 19,981.36 : x
  2. Step 2: Convert to fraction form
    36,609.66/54,851.79 = 19,981.36/x
  3. Step 3: Cross multiply
    36,609.66x = 54,851.79 × 19,981.36
  4. Step 4: Simplify right side
    36,609.66x = 1,096,013,506.13
  5. Step 5: Solve for x
    x = 1,096,013,506.13/36,609.66
  6. Step 6: Final answer
    x = 29,937.82

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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.