Home / 35,408.14-48,855.39-20,495.50

Finding the Fourth Proportional to 35,408.14, 48,855.39 and 20,495.50

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Solution

The fourth proportional to 35,408.14, 48,855.39 and 20,495.50 is: 28,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,408.14 : 48,855.39 = 20,495.50 : x
  2. Step 2: Convert to fraction form
    35,408.14/48,855.39 = 20,495.50/x
  3. Step 3: Cross multiply
    35,408.14x = 48,855.39 × 20,495.50
  4. Step 4: Simplify right side
    35,408.14x = 1,001,315,645.75
  5. Step 5: Solve for x
    x = 1,001,315,645.75/35,408.14
  6. Step 6: Final answer
    x = 28,279.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.