Home / 35,514.78-53,272.17-12,141.42

Finding the Fourth Proportional to 35,514.78, 53,272.17 and 12,141.42

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Solution

The fourth proportional to 35,514.78, 53,272.17 and 12,141.42 is: 18,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.78 : 53,272.17 = 12,141.42 : x
  2. Step 2: Convert to fraction form
    35,514.78/53,272.17 = 12,141.42/x
  3. Step 3: Cross multiply
    35,514.78x = 53,272.17 × 12,141.42
  4. Step 4: Simplify right side
    35,514.78x = 646,799,790.28
  5. Step 5: Solve for x
    x = 646,799,790.28/35,514.78
  6. Step 6: Final answer
    x = 18,212.13

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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.