Home / 36,435.32-50,280.91-20,520.05

Finding the Fourth Proportional to 36,435.32, 50,280.91 and 20,520.05

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Solution

The fourth proportional to 36,435.32, 50,280.91 and 20,520.05 is: 28,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.32 : 50,280.91 = 20,520.05 : x
  2. Step 2: Convert to fraction form
    36,435.32/50,280.91 = 20,520.05/x
  3. Step 3: Cross multiply
    36,435.32x = 50,280.91 × 20,520.05
  4. Step 4: Simplify right side
    36,435.32x = 1,031,766,484.54
  5. Step 5: Solve for x
    x = 1,031,766,484.54/36,435.32
  6. Step 6: Final answer
    x = 28,317.76

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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.