Home / 33,191.80-45,783.75-19,753.02

Finding the Fourth Proportional to 33,191.80, 45,783.75 and 19,753.02

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Solution

The fourth proportional to 33,191.80, 45,783.75 and 19,753.02 is: 27,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.80 : 45,783.75 = 19,753.02 : x
  2. Step 2: Convert to fraction form
    33,191.80/45,783.75 = 19,753.02/x
  3. Step 3: Cross multiply
    33,191.80x = 45,783.75 × 19,753.02
  4. Step 4: Simplify right side
    33,191.80x = 904,367,001.74
  5. Step 5: Solve for x
    x = 904,367,001.74/33,191.80
  6. Step 6: Final answer
    x = 27,246.70

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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.