Home / 37,987.37-56,997.76-20,213.84

Finding the Fourth Proportional to 37,987.37, 56,997.76 and 20,213.84

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Solution

The fourth proportional to 37,987.37, 56,997.76 and 20,213.84 is: 30,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,987.37 : 56,997.76 = 20,213.84 : x
  2. Step 2: Convert to fraction form
    37,987.37/56,997.76 = 20,213.84/x
  3. Step 3: Cross multiply
    37,987.37x = 56,997.76 × 20,213.84
  4. Step 4: Simplify right side
    37,987.37x = 1,152,143,601.00
  5. Step 5: Solve for x
    x = 1,152,143,601.00/37,987.37
  6. Step 6: Final answer
    x = 30,329.65

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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.