Home / 33,150.15-45,744.66-21,049.74

Finding the Fourth Proportional to 33,150.15, 45,744.66 and 21,049.74

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Solution

The fourth proportional to 33,150.15, 45,744.66 and 21,049.74 is: 29,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,150.15 : 45,744.66 = 21,049.74 : x
  2. Step 2: Convert to fraction form
    33,150.15/45,744.66 = 21,049.74/x
  3. Step 3: Cross multiply
    33,150.15x = 45,744.66 × 21,049.74
  4. Step 4: Simplify right side
    33,150.15x = 962,913,199.39
  5. Step 5: Solve for x
    x = 962,913,199.39/33,150.15
  6. Step 6: Final answer
    x = 29,047.02

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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.