Home / 37,237.18-51,388.56-21,920.97

Finding the Fourth Proportional to 37,237.18, 51,388.56 and 21,920.97

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Solution

The fourth proportional to 37,237.18, 51,388.56 and 21,920.97 is: 30,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,237.18 : 51,388.56 = 21,920.97 : x
  2. Step 2: Convert to fraction form
    37,237.18/51,388.56 = 21,920.97/x
  3. Step 3: Cross multiply
    37,237.18x = 51,388.56 × 21,920.97
  4. Step 4: Simplify right side
    37,237.18x = 1,126,487,082.10
  5. Step 5: Solve for x
    x = 1,126,487,082.10/37,237.18
  6. Step 6: Final answer
    x = 30,251.68

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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.