Home / 37,812.90-52,181.79-21,049.86

Finding the Fourth Proportional to 37,812.90, 52,181.79 and 21,049.86

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Solution

The fourth proportional to 37,812.90, 52,181.79 and 21,049.86 is: 29,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.90 : 52,181.79 = 21,049.86 : x
  2. Step 2: Convert to fraction form
    37,812.90/52,181.79 = 21,049.86/x
  3. Step 3: Cross multiply
    37,812.90x = 52,181.79 × 21,049.86
  4. Step 4: Simplify right side
    37,812.90x = 1,098,419,374.05
  5. Step 5: Solve for x
    x = 1,098,419,374.05/37,812.90
  6. Step 6: Final answer
    x = 29,048.80

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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.