Home / 30,212.80-41,674.91-19,454.07

Finding the Fourth Proportional to 30,212.80, 41,674.91 and 19,454.07

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Solution

The fourth proportional to 30,212.80, 41,674.91 and 19,454.07 is: 26,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.80 : 41,674.91 = 19,454.07 : x
  2. Step 2: Convert to fraction form
    30,212.80/41,674.91 = 19,454.07/x
  3. Step 3: Cross multiply
    30,212.80x = 41,674.91 × 19,454.07
  4. Step 4: Simplify right side
    30,212.80x = 810,746,675.39
  5. Step 5: Solve for x
    x = 810,746,675.39/30,212.80
  6. Step 6: Final answer
    x = 26,834.55

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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.