Home / 47,716.40-71,584.20-16,545.20

Finding the Fourth Proportional to 47,716.40, 71,584.20 and 16,545.20

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Solution

The fourth proportional to 47,716.40, 71,584.20 and 16,545.20 is: 24,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,716.40 : 71,584.20 = 16,545.20 : x
  2. Step 2: Convert to fraction form
    47,716.40/71,584.20 = 16,545.20/x
  3. Step 3: Cross multiply
    47,716.40x = 71,584.20 × 16,545.20
  4. Step 4: Simplify right side
    47,716.40x = 1,184,374,905.84
  5. Step 5: Solve for x
    x = 1,184,374,905.84/47,716.40
  6. Step 6: Final answer
    x = 24,821.13

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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.