Home / 50,874.09-70,208.51-28,211.56

Finding the Fourth Proportional to 50,874.09, 70,208.51 and 28,211.56

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Solution

The fourth proportional to 50,874.09, 70,208.51 and 28,211.56 is: 38,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,874.09 : 70,208.51 = 28,211.56 : x
  2. Step 2: Convert to fraction form
    50,874.09/70,208.51 = 28,211.56/x
  3. Step 3: Cross multiply
    50,874.09x = 70,208.51 × 28,211.56
  4. Step 4: Simplify right side
    50,874.09x = 1,980,691,592.38
  5. Step 5: Solve for x
    x = 1,980,691,592.38/50,874.09
  6. Step 6: Final answer
    x = 38,933.21

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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.