Home / 37,079.18-51,172.92-21,166.02

Finding the Fourth Proportional to 37,079.18, 51,172.92 and 21,166.02

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Solution

The fourth proportional to 37,079.18, 51,172.92 and 21,166.02 is: 29,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,079.18 : 51,172.92 = 21,166.02 : x
  2. Step 2: Convert to fraction form
    37,079.18/51,172.92 = 21,166.02/x
  3. Step 3: Cross multiply
    37,079.18x = 51,172.92 × 21,166.02
  4. Step 4: Simplify right side
    37,079.18x = 1,083,127,048.18
  5. Step 5: Solve for x
    x = 1,083,127,048.18/37,079.18
  6. Step 6: Final answer
    x = 29,211.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.