Home / 30,212.27-41,696.75-18,275.57

Finding the Fourth Proportional to 30,212.27, 41,696.75 and 18,275.57

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Solution

The fourth proportional to 30,212.27, 41,696.75 and 18,275.57 is: 25,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.27 : 41,696.75 = 18,275.57 : x
  2. Step 2: Convert to fraction form
    30,212.27/41,696.75 = 18,275.57/x
  3. Step 3: Cross multiply
    30,212.27x = 41,696.75 × 18,275.57
  4. Step 4: Simplify right side
    30,212.27x = 762,032,050.11
  5. Step 5: Solve for x
    x = 762,032,050.11/30,212.27
  6. Step 6: Final answer
    x = 25,222.61

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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.