Home / 38,101.74-52,582.38-21,107.85

Finding the Fourth Proportional to 38,101.74, 52,582.38 and 21,107.85

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Solution

The fourth proportional to 38,101.74, 52,582.38 and 21,107.85 is: 29,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.74 : 52,582.38 = 21,107.85 : x
  2. Step 2: Convert to fraction form
    38,101.74/52,582.38 = 21,107.85/x
  3. Step 3: Cross multiply
    38,101.74x = 52,582.38 × 21,107.85
  4. Step 4: Simplify right side
    38,101.74x = 1,109,900,989.68
  5. Step 5: Solve for x
    x = 1,109,900,989.68/38,101.74
  6. Step 6: Final answer
    x = 29,129.93

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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.