Home / 37,979.35-52,408.81-20,983.41

Finding the Fourth Proportional to 37,979.35, 52,408.81 and 20,983.41

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Solution

The fourth proportional to 37,979.35, 52,408.81 and 20,983.41 is: 28,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.35 : 52,408.81 = 20,983.41 : x
  2. Step 2: Convert to fraction form
    37,979.35/52,408.81 = 20,983.41/x
  3. Step 3: Cross multiply
    37,979.35x = 52,408.81 × 20,983.41
  4. Step 4: Simplify right side
    37,979.35x = 1,099,715,515.02
  5. Step 5: Solve for x
    x = 1,099,715,515.02/37,979.35
  6. Step 6: Final answer
    x = 28,955.62

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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.