Home / 45,304.30-67,920.54-21,599.38

Finding the Fourth Proportional to 45,304.30, 67,920.54 and 21,599.38

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Solution

The fourth proportional to 45,304.30, 67,920.54 and 21,599.38 is: 32,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,304.30 : 67,920.54 = 21,599.38 : x
  2. Step 2: Convert to fraction form
    45,304.30/67,920.54 = 21,599.38/x
  3. Step 3: Cross multiply
    45,304.30x = 67,920.54 × 21,599.38
  4. Step 4: Simplify right side
    45,304.30x = 1,467,041,553.27
  5. Step 5: Solve for x
    x = 1,467,041,553.27/45,304.30
  6. Step 6: Final answer
    x = 32,381.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.