Home / 37,138.59-51,251.28-20,142.84

Finding the Fourth Proportional to 37,138.59, 51,251.28 and 20,142.84

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Solution

The fourth proportional to 37,138.59, 51,251.28 and 20,142.84 is: 27,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.59 : 51,251.28 = 20,142.84 : x
  2. Step 2: Convert to fraction form
    37,138.59/51,251.28 = 20,142.84/x
  3. Step 3: Cross multiply
    37,138.59x = 51,251.28 × 20,142.84
  4. Step 4: Simplify right side
    37,138.59x = 1,032,346,076.58
  5. Step 5: Solve for x
    x = 1,032,346,076.58/37,138.59
  6. Step 6: Final answer
    x = 27,797.13

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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.