Home / 39,853.62-59,784.48-13,560.21

Finding the Fourth Proportional to 39,853.62, 59,784.48 and 13,560.21

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Solution

The fourth proportional to 39,853.62, 59,784.48 and 13,560.21 is: 20,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.62 : 59,784.48 = 13,560.21 : x
  2. Step 2: Convert to fraction form
    39,853.62/59,784.48 = 13,560.21/x
  3. Step 3: Cross multiply
    39,853.62x = 59,784.48 × 13,560.21
  4. Step 4: Simplify right side
    39,853.62x = 810,690,103.54
  5. Step 5: Solve for x
    x = 810,690,103.54/39,853.62
  6. Step 6: Final answer
    x = 20,341.69

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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.