Home / 47,639.84-71,409.34-16,019.80

Finding the Fourth Proportional to 47,639.84, 71,409.34 and 16,019.80

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Solution

The fourth proportional to 47,639.84, 71,409.34 and 16,019.80 is: 24,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.84 : 71,409.34 = 16,019.80 : x
  2. Step 2: Convert to fraction form
    47,639.84/71,409.34 = 16,019.80/x
  3. Step 3: Cross multiply
    47,639.84x = 71,409.34 × 16,019.80
  4. Step 4: Simplify right side
    47,639.84x = 1,143,963,344.93
  5. Step 5: Solve for x
    x = 1,143,963,344.93/47,639.84
  6. Step 6: Final answer
    x = 24,012.75

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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.