Home / 33,030.49-45,578.99-18,691.63

Finding the Fourth Proportional to 33,030.49, 45,578.99 and 18,691.63

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Solution

The fourth proportional to 33,030.49, 45,578.99 and 18,691.63 is: 25,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.49 : 45,578.99 = 18,691.63 : x
  2. Step 2: Convert to fraction form
    33,030.49/45,578.99 = 18,691.63/x
  3. Step 3: Cross multiply
    33,030.49x = 45,578.99 × 18,691.63
  4. Step 4: Simplify right side
    33,030.49x = 851,945,549.64
  5. Step 5: Solve for x
    x = 851,945,549.64/33,030.49
  6. Step 6: Final answer
    x = 25,792.70

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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.