Home / 36,836.28-55,215-14,618.88

Finding the Fourth Proportional to 36,836.28, 55,215 and 14,618.88

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Solution

The fourth proportional to 36,836.28, 55,215 and 14,618.88 is: 21,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,836.28 : 55,215 = 14,618.88 : x
  2. Step 2: Convert to fraction form
    36,836.28/55,215 = 14,618.88/x
  3. Step 3: Cross multiply
    36,836.28x = 55,215 × 14,618.88
  4. Step 4: Simplify right side
    36,836.28x = 807,181,459.20
  5. Step 5: Solve for x
    x = 807,181,459.20/36,836.28
  6. Step 6: Final answer
    x = 21,912.68

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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.