Home / 37,969.08-52,398.81-20,974.20

Finding the Fourth Proportional to 37,969.08, 52,398.81 and 20,974.20

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Solution

The fourth proportional to 37,969.08, 52,398.81 and 20,974.20 is: 28,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,969.08 : 52,398.81 = 20,974.20 : x
  2. Step 2: Convert to fraction form
    37,969.08/52,398.81 = 20,974.20/x
  3. Step 3: Cross multiply
    37,969.08x = 52,398.81 × 20,974.20
  4. Step 4: Simplify right side
    37,969.08x = 1,099,023,120.70
  5. Step 5: Solve for x
    x = 1,099,023,120.70/37,969.08
  6. Step 6: Final answer
    x = 28,945.21

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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.