Home / 39,815.80-59,760.62-20,108.23

Finding the Fourth Proportional to 39,815.80, 59,760.62 and 20,108.23

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Solution

The fourth proportional to 39,815.80, 59,760.62 and 20,108.23 is: 30,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.80 : 59,760.62 = 20,108.23 : x
  2. Step 2: Convert to fraction form
    39,815.80/59,760.62 = 20,108.23/x
  3. Step 3: Cross multiply
    39,815.80x = 59,760.62 × 20,108.23
  4. Step 4: Simplify right side
    39,815.80x = 1,201,680,291.90
  5. Step 5: Solve for x
    x = 1,201,680,291.90/39,815.80
  6. Step 6: Final answer
    x = 30,180.99

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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.