Home / 35,514.13-49,011.73-20,201.57

Finding the Fourth Proportional to 35,514.13, 49,011.73 and 20,201.57

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Solution

The fourth proportional to 35,514.13, 49,011.73 and 20,201.57 is: 27,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.13 : 49,011.73 = 20,201.57 : x
  2. Step 2: Convert to fraction form
    35,514.13/49,011.73 = 20,201.57/x
  3. Step 3: Cross multiply
    35,514.13x = 49,011.73 × 20,201.57
  4. Step 4: Simplify right side
    35,514.13x = 990,113,894.42
  5. Step 5: Solve for x
    x = 990,113,894.42/35,514.13
  6. Step 6: Final answer
    x = 27,879.44

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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.