Home / 36,406.80-50,240.73-20,490.87

Finding the Fourth Proportional to 36,406.80, 50,240.73 and 20,490.87

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Solution

The fourth proportional to 36,406.80, 50,240.73 and 20,490.87 is: 28,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.80 : 50,240.73 = 20,490.87 : x
  2. Step 2: Convert to fraction form
    36,406.80/50,240.73 = 20,490.87/x
  3. Step 3: Cross multiply
    36,406.80x = 50,240.73 × 20,490.87
  4. Step 4: Simplify right side
    36,406.80x = 1,029,476,267.14
  5. Step 5: Solve for x
    x = 1,029,476,267.14/36,406.80
  6. Step 6: Final answer
    x = 28,277.03

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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.