Home / 47,639.84-71,409.36-16,019.78

Finding the Fourth Proportional to 47,639.84, 71,409.36 and 16,019.78

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Solution

The fourth proportional to 47,639.84, 71,409.36 and 16,019.78 is: 24,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.84 : 71,409.36 = 16,019.78 : x
  2. Step 2: Convert to fraction form
    47,639.84/71,409.36 = 16,019.78/x
  3. Step 3: Cross multiply
    47,639.84x = 71,409.36 × 16,019.78
  4. Step 4: Simplify right side
    47,639.84x = 1,143,962,237.14
  5. Step 5: Solve for x
    x = 1,143,962,237.14/47,639.84
  6. Step 6: Final answer
    x = 24,012.72

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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.