Home / 49,600.20-74,400.30-45,798.60

Finding the Fourth Proportional to 49,600.20, 74,400.30 and 45,798.60

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Solution

The fourth proportional to 49,600.20, 74,400.30 and 45,798.60 is: 68,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,600.20 : 74,400.30 = 45,798.60 : x
  2. Step 2: Convert to fraction form
    49,600.20/74,400.30 = 45,798.60/x
  3. Step 3: Cross multiply
    49,600.20x = 74,400.30 × 45,798.60
  4. Step 4: Simplify right side
    49,600.20x = 3,407,429,579.58
  5. Step 5: Solve for x
    x = 3,407,429,579.58/49,600.20
  6. Step 6: Final answer
    x = 68,697.90

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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.