Home / 35,448.08-48,919.47-20,343.50

Finding the Fourth Proportional to 35,448.08, 48,919.47 and 20,343.50

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Solution

The fourth proportional to 35,448.08, 48,919.47 and 20,343.50 is: 28,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.08 : 48,919.47 = 20,343.50 : x
  2. Step 2: Convert to fraction form
    35,448.08/48,919.47 = 20,343.50/x
  3. Step 3: Cross multiply
    35,448.08x = 48,919.47 × 20,343.50
  4. Step 4: Simplify right side
    35,448.08x = 995,193,432.90
  5. Step 5: Solve for x
    x = 995,193,432.90/35,448.08
  6. Step 6: Final answer
    x = 28,074.68

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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.