Home / 35,458.11-48,924.99-20,355.66

Finding the Fourth Proportional to 35,458.11, 48,924.99 and 20,355.66

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Solution

The fourth proportional to 35,458.11, 48,924.99 and 20,355.66 is: 28,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.11 : 48,924.99 = 20,355.66 : x
  2. Step 2: Convert to fraction form
    35,458.11/48,924.99 = 20,355.66/x
  3. Step 3: Cross multiply
    35,458.11x = 48,924.99 × 20,355.66
  4. Step 4: Simplify right side
    35,458.11x = 995,900,461.94
  5. Step 5: Solve for x
    x = 995,900,461.94/35,458.11
  6. Step 6: Final answer
    x = 28,086.68

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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.