Home / 36,690.20-55,023.40-11,724.38

Finding the Fourth Proportional to 36,690.20, 55,023.40 and 11,724.38

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Solution

The fourth proportional to 36,690.20, 55,023.40 and 11,724.38 is: 17,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.20 : 55,023.40 = 11,724.38 : x
  2. Step 2: Convert to fraction form
    36,690.20/55,023.40 = 11,724.38/x
  3. Step 3: Cross multiply
    36,690.20x = 55,023.40 × 11,724.38
  4. Step 4: Simplify right side
    36,690.20x = 645,115,250.49
  5. Step 5: Solve for x
    x = 645,115,250.49/36,690.20
  6. Step 6: Final answer
    x = 17,582.77

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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.