Home / 39,144.42-54,021.96-22,148.66

Finding the Fourth Proportional to 39,144.42, 54,021.96 and 22,148.66

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Solution

The fourth proportional to 39,144.42, 54,021.96 and 22,148.66 is: 30,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.42 : 54,021.96 = 22,148.66 : x
  2. Step 2: Convert to fraction form
    39,144.42/54,021.96 = 22,148.66/x
  3. Step 3: Cross multiply
    39,144.42x = 54,021.96 × 22,148.66
  4. Step 4: Simplify right side
    39,144.42x = 1,196,514,024.57
  5. Step 5: Solve for x
    x = 1,196,514,024.57/39,144.42
  6. Step 6: Final answer
    x = 30,566.66

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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.