Home / 39,000.20-58,172.61-35,408.39

Finding the Fourth Proportional to 39,000.20, 58,172.61 and 35,408.39

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Solution

The fourth proportional to 39,000.20, 58,172.61 and 35,408.39 is: 52,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.20 : 58,172.61 = 35,408.39 : x
  2. Step 2: Convert to fraction form
    39,000.20/58,172.61 = 35,408.39/x
  3. Step 3: Cross multiply
    39,000.20x = 58,172.61 × 35,408.39
  4. Step 4: Simplify right side
    39,000.20x = 2,059,798,171.33
  5. Step 5: Solve for x
    x = 2,059,798,171.33/39,000.20
  6. Step 6: Final answer
    x = 52,815.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.