Home / 49,350.18-68,103.36-28,128.90

Finding the Fourth Proportional to 49,350.18, 68,103.36 and 28,128.90

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Solution

The fourth proportional to 49,350.18, 68,103.36 and 28,128.90 is: 38,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,350.18 : 68,103.36 = 28,128.90 : x
  2. Step 2: Convert to fraction form
    49,350.18/68,103.36 = 28,128.90/x
  3. Step 3: Cross multiply
    49,350.18x = 68,103.36 × 28,128.90
  4. Step 4: Simplify right side
    49,350.18x = 1,915,672,603.10
  5. Step 5: Solve for x
    x = 1,915,672,603.10/49,350.18
  6. Step 6: Final answer
    x = 38,817.95

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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.