Home / 33,029.48-45,582.92-18,689.30

Finding the Fourth Proportional to 33,029.48, 45,582.92 and 18,689.30

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Solution

The fourth proportional to 33,029.48, 45,582.92 and 18,689.30 is: 25,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,029.48 : 45,582.92 = 18,689.30 : x
  2. Step 2: Convert to fraction form
    33,029.48/45,582.92 = 18,689.30/x
  3. Step 3: Cross multiply
    33,029.48x = 45,582.92 × 18,689.30
  4. Step 4: Simplify right side
    33,029.48x = 851,912,545.39
  5. Step 5: Solve for x
    x = 851,912,545.39/33,029.48
  6. Step 6: Final answer
    x = 25,792.49

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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.