Home / 33,149.76-45,740.48-19,724.32

Finding the Fourth Proportional to 33,149.76, 45,740.48 and 19,724.32

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Solution

The fourth proportional to 33,149.76, 45,740.48 and 19,724.32 is: 27,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.76 : 45,740.48 = 19,724.32 : x
  2. Step 2: Convert to fraction form
    33,149.76/45,740.48 = 19,724.32/x
  3. Step 3: Cross multiply
    33,149.76x = 45,740.48 × 19,724.32
  4. Step 4: Simplify right side
    33,149.76x = 902,199,864.47
  5. Step 5: Solve for x
    x = 902,199,864.47/33,149.76
  6. Step 6: Final answer
    x = 27,215.88

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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.