Home / 36,909.60-55,367.28-18,199.68

Finding the Fourth Proportional to 36,909.60, 55,367.28 and 18,199.68

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Solution

The fourth proportional to 36,909.60, 55,367.28 and 18,199.68 is: 27,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.60 : 55,367.28 = 18,199.68 : x
  2. Step 2: Convert to fraction form
    36,909.60/55,367.28 = 18,199.68/x
  3. Step 3: Cross multiply
    36,909.60x = 55,367.28 × 18,199.68
  4. Step 4: Simplify right side
    36,909.60x = 1,007,666,778.47
  5. Step 5: Solve for x
    x = 1,007,666,778.47/36,909.60
  6. Step 6: Final answer
    x = 27,300.94

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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.