Home / 37,913.38-52,320.99-20,918.36

Finding the Fourth Proportional to 37,913.38, 52,320.99 and 20,918.36

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Solution

The fourth proportional to 37,913.38, 52,320.99 and 20,918.36 is: 28,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.38 : 52,320.99 = 20,918.36 : x
  2. Step 2: Convert to fraction form
    37,913.38/52,320.99 = 20,918.36/x
  3. Step 3: Cross multiply
    37,913.38x = 52,320.99 × 20,918.36
  4. Step 4: Simplify right side
    37,913.38x = 1,094,469,513.62
  5. Step 5: Solve for x
    x = 1,094,469,513.62/37,913.38
  6. Step 6: Final answer
    x = 28,867.63

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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.