Home / 50,828.10-70,143.20-28,167.48

Finding the Fourth Proportional to 50,828.10, 70,143.20 and 28,167.48

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Solution

The fourth proportional to 50,828.10, 70,143.20 and 28,167.48 is: 38,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.10 : 70,143.20 = 28,167.48 : x
  2. Step 2: Convert to fraction form
    50,828.10/70,143.20 = 28,167.48/x
  3. Step 3: Cross multiply
    50,828.10x = 70,143.20 × 28,167.48
  4. Step 4: Simplify right side
    50,828.10x = 1,975,757,183.14
  5. Step 5: Solve for x
    x = 1,975,757,183.14/50,828.10
  6. Step 6: Final answer
    x = 38,871.36

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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.