Home / 33,073.92-45,653.76-21,899.52

Finding the Fourth Proportional to 33,073.92, 45,653.76 and 21,899.52

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Solution

The fourth proportional to 33,073.92, 45,653.76 and 21,899.52 is: 30,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,073.92 : 45,653.76 = 21,899.52 : x
  2. Step 2: Convert to fraction form
    33,073.92/45,653.76 = 21,899.52/x
  3. Step 3: Cross multiply
    33,073.92x = 45,653.76 × 21,899.52
  4. Step 4: Simplify right side
    33,073.92x = 999,795,430.20
  5. Step 5: Solve for x
    x = 999,795,430.20/33,073.92
  6. Step 6: Final answer
    x = 30,229.12

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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.