Home / 47,919.88-71,890.76-14,644.68

Finding the Fourth Proportional to 47,919.88, 71,890.76 and 14,644.68

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Solution

The fourth proportional to 47,919.88, 71,890.76 and 14,644.68 is: 21,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,919.88 : 71,890.76 = 14,644.68 : x
  2. Step 2: Convert to fraction form
    47,919.88/71,890.76 = 14,644.68/x
  3. Step 3: Cross multiply
    47,919.88x = 71,890.76 × 14,644.68
  4. Step 4: Simplify right side
    47,919.88x = 1,052,817,175.16
  5. Step 5: Solve for x
    x = 1,052,817,175.16/47,919.88
  6. Step 6: Final answer
    x = 21,970.36

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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.