Home / 36,295.40-50,086.35-20,380.52

Finding the Fourth Proportional to 36,295.40, 50,086.35 and 20,380.52

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Solution

The fourth proportional to 36,295.40, 50,086.35 and 20,380.52 is: 28,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,295.40 : 50,086.35 = 20,380.52 : x
  2. Step 2: Convert to fraction form
    36,295.40/50,086.35 = 20,380.52/x
  3. Step 3: Cross multiply
    36,295.40x = 50,086.35 × 20,380.52
  4. Step 4: Simplify right side
    36,295.40x = 1,020,785,607.47
  5. Step 5: Solve for x
    x = 1,020,785,607.47/36,295.40
  6. Step 6: Final answer
    x = 28,124.38

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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.