Home / 33,140.59-45,716.58-19,702.28

Finding the Fourth Proportional to 33,140.59, 45,716.58 and 19,702.28

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Solution

The fourth proportional to 33,140.59, 45,716.58 and 19,702.28 is: 27,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.59 : 45,716.58 = 19,702.28 : x
  2. Step 2: Convert to fraction form
    33,140.59/45,716.58 = 19,702.28/x
  3. Step 3: Cross multiply
    33,140.59x = 45,716.58 × 19,702.28
  4. Step 4: Simplify right side
    33,140.59x = 900,720,859.80
  5. Step 5: Solve for x
    x = 900,720,859.80/33,140.59
  6. Step 6: Final answer
    x = 27,178.78

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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.