Home / 35,449.28-48,919.48-20,341.60

Finding the Fourth Proportional to 35,449.28, 48,919.48 and 20,341.60

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Solution

The fourth proportional to 35,449.28, 48,919.48 and 20,341.60 is: 28,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.28 : 48,919.48 = 20,341.60 : x
  2. Step 2: Convert to fraction form
    35,449.28/48,919.48 = 20,341.60/x
  3. Step 3: Cross multiply
    35,449.28x = 48,919.48 × 20,341.60
  4. Step 4: Simplify right side
    35,449.28x = 995,100,494.37
  5. Step 5: Solve for x
    x = 995,100,494.37/35,449.28
  6. Step 6: Final answer
    x = 28,071.11

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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.