Home / 36,435.06-50,278.56-20,520.48

Finding the Fourth Proportional to 36,435.06, 50,278.56 and 20,520.48

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Solution

The fourth proportional to 36,435.06, 50,278.56 and 20,520.48 is: 28,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.06 : 50,278.56 = 20,520.48 : x
  2. Step 2: Convert to fraction form
    36,435.06/50,278.56 = 20,520.48/x
  3. Step 3: Cross multiply
    36,435.06x = 50,278.56 × 20,520.48
  4. Step 4: Simplify right side
    36,435.06x = 1,031,740,184.91
  5. Step 5: Solve for x
    x = 1,031,740,184.91/36,435.06
  6. Step 6: Final answer
    x = 28,317.24

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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.