Home / 36,420.50-50,260.15-20,288.01

Finding the Fourth Proportional to 36,420.50, 50,260.15 and 20,288.01

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Solution

The fourth proportional to 36,420.50, 50,260.15 and 20,288.01 is: 27,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.50 : 50,260.15 = 20,288.01 : x
  2. Step 2: Convert to fraction form
    36,420.50/50,260.15 = 20,288.01/x
  3. Step 3: Cross multiply
    36,420.50x = 50,260.15 × 20,288.01
  4. Step 4: Simplify right side
    36,420.50x = 1,019,678,425.80
  5. Step 5: Solve for x
    x = 1,019,678,425.80/36,420.50
  6. Step 6: Final answer
    x = 27,997.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.