Home / 37,100.78-51,196.91-21,994.89

Finding the Fourth Proportional to 37,100.78, 51,196.91 and 21,994.89

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Solution

The fourth proportional to 37,100.78, 51,196.91 and 21,994.89 is: 30,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.78 : 51,196.91 = 21,994.89 : x
  2. Step 2: Convert to fraction form
    37,100.78/51,196.91 = 21,994.89/x
  3. Step 3: Cross multiply
    37,100.78x = 51,196.91 × 21,994.89
  4. Step 4: Simplify right side
    37,100.78x = 1,126,070,293.82
  5. Step 5: Solve for x
    x = 1,126,070,293.82/37,100.78
  6. Step 6: Final answer
    x = 30,351.66

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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.