Home / 39,879.20-59,907.90-33,318.20

Finding the Fourth Proportional to 39,879.20, 59,907.90 and 33,318.20

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Solution

The fourth proportional to 39,879.20, 59,907.90 and 33,318.20 is: 50,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.20 : 59,907.90 = 33,318.20 : x
  2. Step 2: Convert to fraction form
    39,879.20/59,907.90 = 33,318.20/x
  3. Step 3: Cross multiply
    39,879.20x = 59,907.90 × 33,318.20
  4. Step 4: Simplify right side
    39,879.20x = 1,996,023,393.78
  5. Step 5: Solve for x
    x = 1,996,023,393.78/39,879.20
  6. Step 6: Final answer
    x = 50,051.74

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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.