Home / 50,828.39-70,143.58-28,167.75

Finding the Fourth Proportional to 50,828.39, 70,143.58 and 28,167.75

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Solution

The fourth proportional to 50,828.39, 70,143.58 and 28,167.75 is: 38,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.39 : 70,143.58 = 28,167.75 : x
  2. Step 2: Convert to fraction form
    50,828.39/70,143.58 = 28,167.75/x
  3. Step 3: Cross multiply
    50,828.39x = 70,143.58 × 28,167.75
  4. Step 4: Simplify right side
    50,828.39x = 1,975,786,722.12
  5. Step 5: Solve for x
    x = 1,975,786,722.12/50,828.39
  6. Step 6: Final answer
    x = 38,871.71

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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.