Home / 35,400.60-53,102.82-9,105.56

Finding the Fourth Proportional to 35,400.60, 53,102.82 and 9,105.56

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Solution

The fourth proportional to 35,400.60, 53,102.82 and 9,105.56 is: 13,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.60 : 53,102.82 = 9,105.56 : x
  2. Step 2: Convert to fraction form
    35,400.60/53,102.82 = 9,105.56/x
  3. Step 3: Cross multiply
    35,400.60x = 53,102.82 × 9,105.56
  4. Step 4: Simplify right side
    35,400.60x = 483,530,913.68
  5. Step 5: Solve for x
    x = 483,530,913.68/35,400.60
  6. Step 6: Final answer
    x = 13,658.83

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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.