Home / 35,450.35-48,919.28-20,344.25

Finding the Fourth Proportional to 35,450.35, 48,919.28 and 20,344.25

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Solution

The fourth proportional to 35,450.35, 48,919.28 and 20,344.25 is: 28,073.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.35 : 48,919.28 = 20,344.25 : x
  2. Step 2: Convert to fraction form
    35,450.35/48,919.28 = 20,344.25/x
  3. Step 3: Cross multiply
    35,450.35x = 48,919.28 × 20,344.25
  4. Step 4: Simplify right side
    35,450.35x = 995,226,159.01
  5. Step 5: Solve for x
    x = 995,226,159.01/35,450.35
  6. Step 6: Final answer
    x = 28,073.81

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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.