Home / 49,134.40-73,615.20-40,321.60

Finding the Fourth Proportional to 49,134.40, 73,615.20 and 40,321.60

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Solution

The fourth proportional to 49,134.40, 73,615.20 and 40,321.60 is: 60,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,134.40 : 73,615.20 = 40,321.60 : x
  2. Step 2: Convert to fraction form
    49,134.40/73,615.20 = 40,321.60/x
  3. Step 3: Cross multiply
    49,134.40x = 73,615.20 × 40,321.60
  4. Step 4: Simplify right side
    49,134.40x = 2,968,282,648.32
  5. Step 5: Solve for x
    x = 2,968,282,648.32/49,134.40
  6. Step 6: Final answer
    x = 60,411.50

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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.