Home / 35,911.60-49,552.20-20,805.64

Finding the Fourth Proportional to 35,911.60, 49,552.20 and 20,805.64

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Solution

The fourth proportional to 35,911.60, 49,552.20 and 20,805.64 is: 28,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.60 : 49,552.20 = 20,805.64 : x
  2. Step 2: Convert to fraction form
    35,911.60/49,552.20 = 20,805.64/x
  3. Step 3: Cross multiply
    35,911.60x = 49,552.20 × 20,805.64
  4. Step 4: Simplify right side
    35,911.60x = 1,030,965,234.41
  5. Step 5: Solve for x
    x = 1,030,965,234.41/35,911.60
  6. Step 6: Final answer
    x = 28,708.42

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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.