Home / 39,821.12-59,724.24-16,122.40

Finding the Fourth Proportional to 39,821.12, 59,724.24 and 16,122.40

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Solution

The fourth proportional to 39,821.12, 59,724.24 and 16,122.40 is: 24,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.12 : 59,724.24 = 16,122.40 : x
  2. Step 2: Convert to fraction form
    39,821.12/59,724.24 = 16,122.40/x
  3. Step 3: Cross multiply
    39,821.12x = 59,724.24 × 16,122.40
  4. Step 4: Simplify right side
    39,821.12x = 962,898,086.98
  5. Step 5: Solve for x
    x = 962,898,086.98/39,821.12
  6. Step 6: Final answer
    x = 24,180.59

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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.