Home / 53,272.20-73,519.20-30,618.57

Finding the Fourth Proportional to 53,272.20, 73,519.20 and 30,618.57

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Solution

The fourth proportional to 53,272.20, 73,519.20 and 30,618.57 is: 42,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.20 : 73,519.20 = 30,618.57 : x
  2. Step 2: Convert to fraction form
    53,272.20/73,519.20 = 30,618.57/x
  3. Step 3: Cross multiply
    53,272.20x = 73,519.20 × 30,618.57
  4. Step 4: Simplify right side
    53,272.20x = 2,251,052,771.54
  5. Step 5: Solve for x
    x = 2,251,052,771.54/53,272.20
  6. Step 6: Final answer
    x = 42,255.68

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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.