Home / 36,686.07-50,621.90-20,770.11

Finding the Fourth Proportional to 36,686.07, 50,621.90 and 20,770.11

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Solution

The fourth proportional to 36,686.07, 50,621.90 and 20,770.11 is: 28,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.07 : 50,621.90 = 20,770.11 : x
  2. Step 2: Convert to fraction form
    36,686.07/50,621.90 = 20,770.11/x
  3. Step 3: Cross multiply
    36,686.07x = 50,621.90 × 20,770.11
  4. Step 4: Simplify right side
    36,686.07x = 1,051,422,327.56
  5. Step 5: Solve for x
    x = 1,051,422,327.56/36,686.07
  6. Step 6: Final answer
    x = 28,659.99

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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.