Home / 39,853.17-59,816.72-20,145.58

Finding the Fourth Proportional to 39,853.17, 59,816.72 and 20,145.58

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Solution

The fourth proportional to 39,853.17, 59,816.72 and 20,145.58 is: 30,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.17 : 59,816.72 = 20,145.58 : x
  2. Step 2: Convert to fraction form
    39,853.17/59,816.72 = 20,145.58/x
  3. Step 3: Cross multiply
    39,853.17x = 59,816.72 × 20,145.58
  4. Step 4: Simplify right side
    39,853.17x = 1,205,042,418.92
  5. Step 5: Solve for x
    x = 1,205,042,418.92/39,853.17
  6. Step 6: Final answer
    x = 30,237.05

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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.