Home / 50,842.62-70,161.39-28,180.71

Finding the Fourth Proportional to 50,842.62, 70,161.39 and 28,180.71

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Solution

The fourth proportional to 50,842.62, 70,161.39 and 28,180.71 is: 38,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,842.62 : 70,161.39 = 28,180.71 : x
  2. Step 2: Convert to fraction form
    50,842.62/70,161.39 = 28,180.71/x
  3. Step 3: Cross multiply
    50,842.62x = 70,161.39 × 28,180.71
  4. Step 4: Simplify right side
    50,842.62x = 1,977,197,784.79
  5. Step 5: Solve for x
    x = 1,977,197,784.79/50,842.62
  6. Step 6: Final answer
    x = 38,888.59

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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.