Home / 37,913.22-52,321.79-20,919.42

Finding the Fourth Proportional to 37,913.22, 52,321.79 and 20,919.42

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Solution

The fourth proportional to 37,913.22, 52,321.79 and 20,919.42 is: 28,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.22 : 52,321.79 = 20,919.42 : x
  2. Step 2: Convert to fraction form
    37,913.22/52,321.79 = 20,919.42/x
  3. Step 3: Cross multiply
    37,913.22x = 52,321.79 × 20,919.42
  4. Step 4: Simplify right side
    37,913.22x = 1,094,541,500.16
  5. Step 5: Solve for x
    x = 1,094,541,500.16/37,913.22
  6. Step 6: Final answer
    x = 28,869.65

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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.