Home / 39,949.12-59,843.46-19,898.20

Finding the Fourth Proportional to 39,949.12, 59,843.46 and 19,898.20

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Solution

The fourth proportional to 39,949.12, 59,843.46 and 19,898.20 is: 29,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.12 : 59,843.46 = 19,898.20 : x
  2. Step 2: Convert to fraction form
    39,949.12/59,843.46 = 19,898.20/x
  3. Step 3: Cross multiply
    39,949.12x = 59,843.46 × 19,898.20
  4. Step 4: Simplify right side
    39,949.12x = 1,190,777,135.77
  5. Step 5: Solve for x
    x = 1,190,777,135.77/39,949.12
  6. Step 6: Final answer
    x = 29,807.34

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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.