Home / 37,387.85-56,065.37-13,997.88

Finding the Fourth Proportional to 37,387.85, 56,065.37 and 13,997.88

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Solution

The fourth proportional to 37,387.85, 56,065.37 and 13,997.88 is: 20,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.85 : 56,065.37 = 13,997.88 : x
  2. Step 2: Convert to fraction form
    37,387.85/56,065.37 = 13,997.88/x
  3. Step 3: Cross multiply
    37,387.85x = 56,065.37 × 13,997.88
  4. Step 4: Simplify right side
    37,387.85x = 784,796,251.43
  5. Step 5: Solve for x
    x = 784,796,251.43/37,387.85
  6. Step 6: Final answer
    x = 20,990.68

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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.