Home / 33,028.92-45,574.20-18,689.40

Finding the Fourth Proportional to 33,028.92, 45,574.20 and 18,689.40

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Solution

The fourth proportional to 33,028.92, 45,574.20 and 18,689.40 is: 25,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.92 : 45,574.20 = 18,689.40 : x
  2. Step 2: Convert to fraction form
    33,028.92/45,574.20 = 18,689.40/x
  3. Step 3: Cross multiply
    33,028.92x = 45,574.20 × 18,689.40
  4. Step 4: Simplify right side
    33,028.92x = 851,754,453.48
  5. Step 5: Solve for x
    x = 851,754,453.48/33,028.92
  6. Step 6: Final answer
    x = 25,788.14

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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.