Home / 37,087.89-51,181.02-21,172.31

Finding the Fourth Proportional to 37,087.89, 51,181.02 and 21,172.31

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Solution

The fourth proportional to 37,087.89, 51,181.02 and 21,172.31 is: 29,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,087.89 : 51,181.02 = 21,172.31 : x
  2. Step 2: Convert to fraction form
    37,087.89/51,181.02 = 21,172.31/x
  3. Step 3: Cross multiply
    37,087.89x = 51,181.02 × 21,172.31
  4. Step 4: Simplify right side
    37,087.89x = 1,083,620,165.65
  5. Step 5: Solve for x
    x = 1,083,620,165.65/37,087.89
  6. Step 6: Final answer
    x = 29,217.63

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1.5x scale

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.