Home / 35,442.26-48,917.39-20,345.12

Finding the Fourth Proportional to 35,442.26, 48,917.39 and 20,345.12

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Solution

The fourth proportional to 35,442.26, 48,917.39 and 20,345.12 is: 28,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,442.26 : 48,917.39 = 20,345.12 : x
  2. Step 2: Convert to fraction form
    35,442.26/48,917.39 = 20,345.12/x
  3. Step 3: Cross multiply
    35,442.26x = 48,917.39 × 20,345.12
  4. Step 4: Simplify right side
    35,442.26x = 995,229,823.32
  5. Step 5: Solve for x
    x = 995,229,823.32/35,442.26
  6. Step 6: Final answer
    x = 28,080.32

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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.