Home / 34,838.60-48,081.42-20,691.48

Finding the Fourth Proportional to 34,838.60, 48,081.42 and 20,691.48

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Solution

The fourth proportional to 34,838.60, 48,081.42 and 20,691.48 is: 28,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.60 : 48,081.42 = 20,691.48 : x
  2. Step 2: Convert to fraction form
    34,838.60/48,081.42 = 20,691.48/x
  3. Step 3: Cross multiply
    34,838.60x = 48,081.42 × 20,691.48
  4. Step 4: Simplify right side
    34,838.60x = 994,875,636.84
  5. Step 5: Solve for x
    x = 994,875,636.84/34,838.60
  6. Step 6: Final answer
    x = 28,556.71

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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.