Home / 35,449.08-48,920.85-20,344.50

Finding the Fourth Proportional to 35,449.08, 48,920.85 and 20,344.50

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Solution

The fourth proportional to 35,449.08, 48,920.85 and 20,344.50 is: 28,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.08 : 48,920.85 = 20,344.50 : x
  2. Step 2: Convert to fraction form
    35,449.08/48,920.85 = 20,344.50/x
  3. Step 3: Cross multiply
    35,449.08x = 48,920.85 × 20,344.50
  4. Step 4: Simplify right side
    35,449.08x = 995,270,232.83
  5. Step 5: Solve for x
    x = 995,270,232.83/35,449.08
  6. Step 6: Final answer
    x = 28,076.05

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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.