Home / 36,980.60-55,467.24-20,335.08

Finding the Fourth Proportional to 36,980.60, 55,467.24 and 20,335.08

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Solution

The fourth proportional to 36,980.60, 55,467.24 and 20,335.08 is: 30,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.60 : 55,467.24 = 20,335.08 : x
  2. Step 2: Convert to fraction form
    36,980.60/55,467.24 = 20,335.08/x
  3. Step 3: Cross multiply
    36,980.60x = 55,467.24 × 20,335.08
  4. Step 4: Simplify right side
    36,980.60x = 1,127,930,762.78
  5. Step 5: Solve for x
    x = 1,127,930,762.78/36,980.60
  6. Step 6: Final answer
    x = 30,500.61

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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.