Home / 49,121.40-73,682.10-28,320.60

Finding the Fourth Proportional to 49,121.40, 73,682.10 and 28,320.60

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Solution

The fourth proportional to 49,121.40, 73,682.10 and 28,320.60 is: 42,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.40 : 73,682.10 = 28,320.60 : x
  2. Step 2: Convert to fraction form
    49,121.40/73,682.10 = 28,320.60/x
  3. Step 3: Cross multiply
    49,121.40x = 73,682.10 × 28,320.60
  4. Step 4: Simplify right side
    49,121.40x = 2,086,721,281.26
  5. Step 5: Solve for x
    x = 2,086,721,281.26/49,121.40
  6. Step 6: Final answer
    x = 42,480.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.