Home / 50,977.92-70,347.55-28,318.35

Finding the Fourth Proportional to 50,977.92, 70,347.55 and 28,318.35

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Solution

The fourth proportional to 50,977.92, 70,347.55 and 28,318.35 is: 39,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.92 : 70,347.55 = 28,318.35 : x
  2. Step 2: Convert to fraction form
    50,977.92/70,347.55 = 28,318.35/x
  3. Step 3: Cross multiply
    50,977.92x = 70,347.55 × 28,318.35
  4. Step 4: Simplify right side
    50,977.92x = 1,992,126,542.54
  5. Step 5: Solve for x
    x = 1,992,126,542.54/50,977.92
  6. Step 6: Final answer
    x = 39,078.22

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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.