Home / 39,862.08-59,682.39-20,080.66

Finding the Fourth Proportional to 39,862.08, 59,682.39 and 20,080.66

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Solution

The fourth proportional to 39,862.08, 59,682.39 and 20,080.66 is: 30,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.08 : 59,682.39 = 20,080.66 : x
  2. Step 2: Convert to fraction form
    39,862.08/59,682.39 = 20,080.66/x
  3. Step 3: Cross multiply
    39,862.08x = 59,682.39 × 20,080.66
  4. Step 4: Simplify right side
    39,862.08x = 1,198,461,781.58
  5. Step 5: Solve for x
    x = 1,198,461,781.58/39,862.08
  6. Step 6: Final answer
    x = 30,065.21

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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.