Home / 50,806.35-70,109.37-28,143.81

Finding the Fourth Proportional to 50,806.35, 70,109.37 and 28,143.81

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Solution

The fourth proportional to 50,806.35, 70,109.37 and 28,143.81 is: 38,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,806.35 : 70,109.37 = 28,143.81 : x
  2. Step 2: Convert to fraction form
    50,806.35/70,109.37 = 28,143.81/x
  3. Step 3: Cross multiply
    50,806.35x = 70,109.37 × 28,143.81
  4. Step 4: Simplify right side
    50,806.35x = 1,973,144,788.50
  5. Step 5: Solve for x
    x = 1,973,144,788.50/50,806.35
  6. Step 6: Final answer
    x = 38,836.58

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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.