Home / 37,768.86-52,121.07-21,001.50

Finding the Fourth Proportional to 37,768.86, 52,121.07 and 21,001.50

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Solution

The fourth proportional to 37,768.86, 52,121.07 and 21,001.50 is: 28,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.86 : 52,121.07 = 21,001.50 : x
  2. Step 2: Convert to fraction form
    37,768.86/52,121.07 = 21,001.50/x
  3. Step 3: Cross multiply
    37,768.86x = 52,121.07 × 21,001.50
  4. Step 4: Simplify right side
    37,768.86x = 1,094,620,651.61
  5. Step 5: Solve for x
    x = 1,094,620,651.61/37,768.86
  6. Step 6: Final answer
    x = 28,982.09

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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.