Home / 37,979.52-52,414.08-20,983.68

Finding the Fourth Proportional to 37,979.52, 52,414.08 and 20,983.68

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Solution

The fourth proportional to 37,979.52, 52,414.08 and 20,983.68 is: 28,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.52 : 52,414.08 = 20,983.68 : x
  2. Step 2: Convert to fraction form
    37,979.52/52,414.08 = 20,983.68/x
  3. Step 3: Cross multiply
    37,979.52x = 52,414.08 × 20,983.68
  4. Step 4: Simplify right side
    37,979.52x = 1,099,840,282.21
  5. Step 5: Solve for x
    x = 1,099,840,282.21/37,979.52
  6. Step 6: Final answer
    x = 28,958.77

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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.