Home / 30,249.06-41,726-19,645.76

Finding the Fourth Proportional to 30,249.06, 41,726 and 19,645.76

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Solution

The fourth proportional to 30,249.06, 41,726 and 19,645.76 is: 27,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.06 : 41,726 = 19,645.76 : x
  2. Step 2: Convert to fraction form
    30,249.06/41,726 = 19,645.76/x
  3. Step 3: Cross multiply
    30,249.06x = 41,726 × 19,645.76
  4. Step 4: Simplify right side
    30,249.06x = 819,738,981.76
  5. Step 5: Solve for x
    x = 819,738,981.76/30,249.06
  6. Step 6: Final answer
    x = 27,099.65

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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.