Home / 35,160.78-52,728.48-11,781.84

Finding the Fourth Proportional to 35,160.78, 52,728.48 and 11,781.84

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Solution

The fourth proportional to 35,160.78, 52,728.48 and 11,781.84 is: 17,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,160.78 : 52,728.48 = 11,781.84 : x
  2. Step 2: Convert to fraction form
    35,160.78/52,728.48 = 11,781.84/x
  3. Step 3: Cross multiply
    35,160.78x = 52,728.48 × 11,781.84
  4. Step 4: Simplify right side
    35,160.78x = 621,238,514.80
  5. Step 5: Solve for x
    x = 621,238,514.80/35,160.78
  6. Step 6: Final answer
    x = 17,668.51

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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.