Home / 39,814.80-59,759.12-20,107.23

Finding the Fourth Proportional to 39,814.80, 59,759.12 and 20,107.23

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Solution

The fourth proportional to 39,814.80, 59,759.12 and 20,107.23 is: 30,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.80 : 59,759.12 = 20,107.23 : x
  2. Step 2: Convert to fraction form
    39,814.80/59,759.12 = 20,107.23/x
  3. Step 3: Cross multiply
    39,814.80x = 59,759.12 × 20,107.23
  4. Step 4: Simplify right side
    39,814.80x = 1,201,590,370.44
  5. Step 5: Solve for x
    x = 1,201,590,370.44/39,814.80
  6. Step 6: Final answer
    x = 30,179.49

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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.