Home / 36,972-55,466.76-12,012.12

Finding the Fourth Proportional to 36,972, 55,466.76 and 12,012.12

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Solution

The fourth proportional to 36,972, 55,466.76 and 12,012.12 is: 18,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972 : 55,466.76 = 12,012.12 : x
  2. Step 2: Convert to fraction form
    36,972/55,466.76 = 12,012.12/x
  3. Step 3: Cross multiply
    36,972x = 55,466.76 × 12,012.12
  4. Step 4: Simplify right side
    36,972x = 666,273,377.13
  5. Step 5: Solve for x
    x = 666,273,377.13/36,972
  6. Step 6: Final answer
    x = 18,021.03

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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.