Home / 34,920.09-48,190.19-19,811.61

Finding the Fourth Proportional to 34,920.09, 48,190.19 and 19,811.61

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Solution

The fourth proportional to 34,920.09, 48,190.19 and 19,811.61 is: 27,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,920.09 : 48,190.19 = 19,811.61 : x
  2. Step 2: Convert to fraction form
    34,920.09/48,190.19 = 19,811.61/x
  3. Step 3: Cross multiply
    34,920.09x = 48,190.19 × 19,811.61
  4. Step 4: Simplify right side
    34,920.09x = 954,725,151.05
  5. Step 5: Solve for x
    x = 954,725,151.05/34,920.09
  6. Step 6: Final answer
    x = 27,340.28

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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.