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Finding the Fourth Proportional to 36,903.60, 55,317.60 and 18,154.80

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Solution

The fourth proportional to 36,903.60, 55,317.60 and 18,154.80 is: 27,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.60 : 55,317.60 = 18,154.80 : x
  2. Step 2: Convert to fraction form
    36,903.60/55,317.60 = 18,154.80/x
  3. Step 3: Cross multiply
    36,903.60x = 55,317.60 × 18,154.80
  4. Step 4: Simplify right side
    36,903.60x = 1,004,279,964.48
  5. Step 5: Solve for x
    x = 1,004,279,964.48/36,903.60
  6. Step 6: Final answer
    x = 27,213.60

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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.