Home / 40,775.40-61,090.20-33,339.60

Finding the Fourth Proportional to 40,775.40, 61,090.20 and 33,339.60

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Solution

The fourth proportional to 40,775.40, 61,090.20 and 33,339.60 is: 49,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775.40 : 61,090.20 = 33,339.60 : x
  2. Step 2: Convert to fraction form
    40,775.40/61,090.20 = 33,339.60/x
  3. Step 3: Cross multiply
    40,775.40x = 61,090.20 × 33,339.60
  4. Step 4: Simplify right side
    40,775.40x = 2,036,722,831.92
  5. Step 5: Solve for x
    x = 2,036,722,831.92/40,775.40
  6. Step 6: Final answer
    x = 49,949.79

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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.