Home / 20,399.52-30,595.62-5,606.49

Finding the Fourth Proportional to 20,399.52, 30,595.62 and 5,606.49

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Solution

The fourth proportional to 20,399.52, 30,595.62 and 5,606.49 is: 8,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,399.52 : 30,595.62 = 5,606.49 : x
  2. Step 2: Convert to fraction form
    20,399.52/30,595.62 = 5,606.49/x
  3. Step 3: Cross multiply
    20,399.52x = 30,595.62 × 5,606.49
  4. Step 4: Simplify right side
    20,399.52x = 171,534,037.57
  5. Step 5: Solve for x
    x = 171,534,037.57/20,399.52
  6. Step 6: Final answer
    x = 8,408.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.