Home / 33,077.86-45,635.97-21,148.18

Finding the Fourth Proportional to 33,077.86, 45,635.97 and 21,148.18

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Solution

The fourth proportional to 33,077.86, 45,635.97 and 21,148.18 is: 29,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.86 : 45,635.97 = 21,148.18 : x
  2. Step 2: Convert to fraction form
    33,077.86/45,635.97 = 21,148.18/x
  3. Step 3: Cross multiply
    33,077.86x = 45,635.97 × 21,148.18
  4. Step 4: Simplify right side
    33,077.86x = 965,117,708.03
  5. Step 5: Solve for x
    x = 965,117,708.03/33,077.86
  6. Step 6: Final answer
    x = 29,177.15

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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.