Home / 33,088.81-45,657.70-19,660.63

Finding the Fourth Proportional to 33,088.81, 45,657.70 and 19,660.63

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Solution

The fourth proportional to 33,088.81, 45,657.70 and 19,660.63 is: 27,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.81 : 45,657.70 = 19,660.63 : x
  2. Step 2: Convert to fraction form
    33,088.81/45,657.70 = 19,660.63/x
  3. Step 3: Cross multiply
    33,088.81x = 45,657.70 × 19,660.63
  4. Step 4: Simplify right side
    33,088.81x = 897,659,146.35
  5. Step 5: Solve for x
    x = 897,659,146.35/33,088.81
  6. Step 6: Final answer
    x = 27,128.78

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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.