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Finding the Fourth Proportional to 36,398.60, 50,226 and 20,482.72

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Solution

The fourth proportional to 36,398.60, 50,226 and 20,482.72 is: 28,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,398.60 : 50,226 = 20,482.72 : x
  2. Step 2: Convert to fraction form
    36,398.60/50,226 = 20,482.72/x
  3. Step 3: Cross multiply
    36,398.60x = 50,226 × 20,482.72
  4. Step 4: Simplify right side
    36,398.60x = 1,028,765,094.72
  5. Step 5: Solve for x
    x = 1,028,765,094.72/36,398.60
  6. Step 6: Final answer
    x = 28,263.86

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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.