Home / 39,636.72-59,447.52-19,909.80

Finding the Fourth Proportional to 39,636.72, 59,447.52 and 19,909.80

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Solution

The fourth proportional to 39,636.72, 59,447.52 and 19,909.80 is: 29,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.72 : 59,447.52 = 19,909.80 : x
  2. Step 2: Convert to fraction form
    39,636.72/59,447.52 = 19,909.80/x
  3. Step 3: Cross multiply
    39,636.72x = 59,447.52 × 19,909.80
  4. Step 4: Simplify right side
    39,636.72x = 1,183,588,233.70
  5. Step 5: Solve for x
    x = 1,183,588,233.70/39,636.72
  6. Step 6: Final answer
    x = 29,860.90

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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.