Home / 39,765.60-59,648.40-33,350.40

Finding the Fourth Proportional to 39,765.60, 59,648.40 and 33,350.40

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Solution

The fourth proportional to 39,765.60, 59,648.40 and 33,350.40 is: 50,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.60 : 59,648.40 = 33,350.40 : x
  2. Step 2: Convert to fraction form
    39,765.60/59,648.40 = 33,350.40/x
  3. Step 3: Cross multiply
    39,765.60x = 59,648.40 × 33,350.40
  4. Step 4: Simplify right side
    39,765.60x = 1,989,297,999.36
  5. Step 5: Solve for x
    x = 1,989,297,999.36/39,765.60
  6. Step 6: Final answer
    x = 50,025.60

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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.