Home / 36,342.37-50,150.55-20,425.78

Finding the Fourth Proportional to 36,342.37, 50,150.55 and 20,425.78

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Solution

The fourth proportional to 36,342.37, 50,150.55 and 20,425.78 is: 28,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.37 : 50,150.55 = 20,425.78 : x
  2. Step 2: Convert to fraction form
    36,342.37/50,150.55 = 20,425.78/x
  3. Step 3: Cross multiply
    36,342.37x = 50,150.55 × 20,425.78
  4. Step 4: Simplify right side
    36,342.37x = 1,024,364,101.18
  5. Step 5: Solve for x
    x = 1,024,364,101.18/36,342.37
  6. Step 6: Final answer
    x = 28,186.50

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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.