Home / 47,639.34-71,408.61-16,019.28

Finding the Fourth Proportional to 47,639.34, 71,408.61 and 16,019.28

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Solution

The fourth proportional to 47,639.34, 71,408.61 and 16,019.28 is: 24,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.34 : 71,408.61 = 16,019.28 : x
  2. Step 2: Convert to fraction form
    47,639.34/71,408.61 = 16,019.28/x
  3. Step 3: Cross multiply
    47,639.34x = 71,408.61 × 16,019.28
  4. Step 4: Simplify right side
    47,639.34x = 1,143,914,518.00
  5. Step 5: Solve for x
    x = 1,143,914,518.00/47,639.34
  6. Step 6: Final answer
    x = 24,011.97

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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.