Home / 39,395.20-59,043.52-19,679.26

Finding the Fourth Proportional to 39,395.20, 59,043.52 and 19,679.26

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Solution

The fourth proportional to 39,395.20, 59,043.52 and 19,679.26 is: 29,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.20 : 59,043.52 = 19,679.26 : x
  2. Step 2: Convert to fraction form
    39,395.20/59,043.52 = 19,679.26/x
  3. Step 3: Cross multiply
    39,395.20x = 59,043.52 × 19,679.26
  4. Step 4: Simplify right side
    39,395.20x = 1,161,932,781.40
  5. Step 5: Solve for x
    x = 1,161,932,781.40/39,395.20
  6. Step 6: Final answer
    x = 29,494.27

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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.