Home / 50,868.19-70,195.29-28,205.86

Finding the Fourth Proportional to 50,868.19, 70,195.29 and 28,205.86

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Solution

The fourth proportional to 50,868.19, 70,195.29 and 28,205.86 is: 38,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.19 : 70,195.29 = 28,205.86 : x
  2. Step 2: Convert to fraction form
    50,868.19/70,195.29 = 28,205.86/x
  3. Step 3: Cross multiply
    50,868.19x = 70,195.29 × 28,205.86
  4. Step 4: Simplify right side
    50,868.19x = 1,979,918,522.40
  5. Step 5: Solve for x
    x = 1,979,918,522.40/50,868.19
  6. Step 6: Final answer
    x = 38,922.53

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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.