Home / 49,228.20-73,842.30-45,426.60

Finding the Fourth Proportional to 49,228.20, 73,842.30 and 45,426.60

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Solution

The fourth proportional to 49,228.20, 73,842.30 and 45,426.60 is: 68,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.20 : 73,842.30 = 45,426.60 : x
  2. Step 2: Convert to fraction form
    49,228.20/73,842.30 = 45,426.60/x
  3. Step 3: Cross multiply
    49,228.20x = 73,842.30 × 45,426.60
  4. Step 4: Simplify right side
    49,228.20x = 3,354,404,625.18
  5. Step 5: Solve for x
    x = 3,354,404,625.18/49,228.20
  6. Step 6: Final answer
    x = 68,139.90

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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.