Home / 35,835.48-49,452.39-19,917.90

Finding the Fourth Proportional to 35,835.48, 49,452.39 and 19,917.90

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Solution

The fourth proportional to 35,835.48, 49,452.39 and 19,917.90 is: 27,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,835.48 : 49,452.39 = 19,917.90 : x
  2. Step 2: Convert to fraction form
    35,835.48/49,452.39 = 19,917.90/x
  3. Step 3: Cross multiply
    35,835.48x = 49,452.39 × 19,917.90
  4. Step 4: Simplify right side
    35,835.48x = 984,987,758.78
  5. Step 5: Solve for x
    x = 984,987,758.78/35,835.48
  6. Step 6: Final answer
    x = 27,486.38

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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.