Home / 30,211.06-41,674.47-28,072.85

Finding the Fourth Proportional to 30,211.06, 41,674.47 and 28,072.85

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Solution

The fourth proportional to 30,211.06, 41,674.47 and 28,072.85 is: 38,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,211.06 : 41,674.47 = 28,072.85 : x
  2. Step 2: Convert to fraction form
    30,211.06/41,674.47 = 28,072.85/x
  3. Step 3: Cross multiply
    30,211.06x = 41,674.47 × 28,072.85
  4. Step 4: Simplify right side
    30,211.06x = 1,169,921,145.14
  5. Step 5: Solve for x
    x = 1,169,921,145.14/30,211.06
  6. Step 6: Final answer
    x = 38,724.93

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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.