Home / 36,865.08-55,229.40-20,200.32

Finding the Fourth Proportional to 36,865.08, 55,229.40 and 20,200.32

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Solution

The fourth proportional to 36,865.08, 55,229.40 and 20,200.32 is: 30,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,865.08 : 55,229.40 = 20,200.32 : x
  2. Step 2: Convert to fraction form
    36,865.08/55,229.40 = 20,200.32/x
  3. Step 3: Cross multiply
    36,865.08x = 55,229.40 × 20,200.32
  4. Step 4: Simplify right side
    36,865.08x = 1,115,651,553.41
  5. Step 5: Solve for x
    x = 1,115,651,553.41/36,865.08
  6. Step 6: Final answer
    x = 30,263.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.