Home / 37,645.76-51,944.28-21,724.40

Finding the Fourth Proportional to 37,645.76, 51,944.28 and 21,724.40

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Solution

The fourth proportional to 37,645.76, 51,944.28 and 21,724.40 is: 29,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,645.76 : 51,944.28 = 21,724.40 : x
  2. Step 2: Convert to fraction form
    37,645.76/51,944.28 = 21,724.40/x
  3. Step 3: Cross multiply
    37,645.76x = 51,944.28 × 21,724.40
  4. Step 4: Simplify right side
    37,645.76x = 1,128,458,316.43
  5. Step 5: Solve for x
    x = 1,128,458,316.43/37,645.76
  6. Step 6: Final answer
    x = 29,975.71

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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.