Home / 36,303.57-50,098.50-20,388.15

Finding the Fourth Proportional to 36,303.57, 50,098.50 and 20,388.15

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Solution

The fourth proportional to 36,303.57, 50,098.50 and 20,388.15 is: 28,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,303.57 : 50,098.50 = 20,388.15 : x
  2. Step 2: Convert to fraction form
    36,303.57/50,098.50 = 20,388.15/x
  3. Step 3: Cross multiply
    36,303.57x = 50,098.50 × 20,388.15
  4. Step 4: Simplify right side
    36,303.57x = 1,021,415,732.78
  5. Step 5: Solve for x
    x = 1,021,415,732.78/36,303.57
  6. Step 6: Final answer
    x = 28,135.41

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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.