Home / 33,319.84-45,963.18-21,369.88

Finding the Fourth Proportional to 33,319.84, 45,963.18 and 21,369.88

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Solution

The fourth proportional to 33,319.84, 45,963.18 and 21,369.88 is: 29,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.84 : 45,963.18 = 21,369.88 : x
  2. Step 2: Convert to fraction form
    33,319.84/45,963.18 = 21,369.88/x
  3. Step 3: Cross multiply
    33,319.84x = 45,963.18 × 21,369.88
  4. Step 4: Simplify right side
    33,319.84x = 982,227,641.02
  5. Step 5: Solve for x
    x = 982,227,641.02/33,319.84
  6. Step 6: Final answer
    x = 29,478.76

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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.