Home / 49,610.40-68,461.20-28,394.40

Finding the Fourth Proportional to 49,610.40, 68,461.20 and 28,394.40

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Solution

The fourth proportional to 49,610.40, 68,461.20 and 28,394.40 is: 39,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,610.40 : 68,461.20 = 28,394.40 : x
  2. Step 2: Convert to fraction form
    49,610.40/68,461.20 = 28,394.40/x
  3. Step 3: Cross multiply
    49,610.40x = 68,461.20 × 28,394.40
  4. Step 4: Simplify right side
    49,610.40x = 1,943,914,697.28
  5. Step 5: Solve for x
    x = 1,943,914,697.28/49,610.40
  6. Step 6: Final answer
    x = 39,183.61

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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.