Home / 50,785.31-70,081.97-28,125.24

Finding the Fourth Proportional to 50,785.31, 70,081.97 and 28,125.24

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Solution

The fourth proportional to 50,785.31, 70,081.97 and 28,125.24 is: 38,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.31 : 70,081.97 = 28,125.24 : x
  2. Step 2: Convert to fraction form
    50,785.31/70,081.97 = 28,125.24/x
  3. Step 3: Cross multiply
    50,785.31x = 70,081.97 × 28,125.24
  4. Step 4: Simplify right side
    50,785.31x = 1,971,072,085.30
  5. Step 5: Solve for x
    x = 1,971,072,085.30/50,785.31
  6. Step 6: Final answer
    x = 38,811.86

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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.