Home / 36,892.61-55,394.28-21,115.46

Finding the Fourth Proportional to 36,892.61, 55,394.28 and 21,115.46

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Solution

The fourth proportional to 36,892.61, 55,394.28 and 21,115.46 is: 31,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.61 : 55,394.28 = 21,115.46 : x
  2. Step 2: Convert to fraction form
    36,892.61/55,394.28 = 21,115.46/x
  3. Step 3: Cross multiply
    36,892.61x = 55,394.28 × 21,115.46
  4. Step 4: Simplify right side
    36,892.61x = 1,169,675,842.05
  5. Step 5: Solve for x
    x = 1,169,675,842.05/36,892.61
  6. Step 6: Final answer
    x = 31,704.88

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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.