Home / 39,899.52-59,850.77-13,600.85

Finding the Fourth Proportional to 39,899.52, 59,850.77 and 13,600.85

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Solution

The fourth proportional to 39,899.52, 59,850.77 and 13,600.85 is: 20,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.52 : 59,850.77 = 13,600.85 : x
  2. Step 2: Convert to fraction form
    39,899.52/59,850.77 = 13,600.85/x
  3. Step 3: Cross multiply
    39,899.52x = 59,850.77 × 13,600.85
  4. Step 4: Simplify right side
    39,899.52x = 814,020,977.90
  5. Step 5: Solve for x
    x = 814,020,977.90/39,899.52
  6. Step 6: Final answer
    x = 20,401.77

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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.