Home / 37,921.88-52,333.80-21,154.88

Finding the Fourth Proportional to 37,921.88, 52,333.80 and 21,154.88

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Solution

The fourth proportional to 37,921.88, 52,333.80 and 21,154.88 is: 29,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.88 : 52,333.80 = 21,154.88 : x
  2. Step 2: Convert to fraction form
    37,921.88/52,333.80 = 21,154.88/x
  3. Step 3: Cross multiply
    37,921.88x = 52,333.80 × 21,154.88
  4. Step 4: Simplify right side
    37,921.88x = 1,107,115,258.94
  5. Step 5: Solve for x
    x = 1,107,115,258.94/37,921.88
  6. Step 6: Final answer
    x = 29,194.63

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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.