Home / 47,515.90-71,289.69-15,929.09

Finding the Fourth Proportional to 47,515.90, 71,289.69 and 15,929.09

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Solution

The fourth proportional to 47,515.90, 71,289.69 and 15,929.09 is: 23,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.90 : 71,289.69 = 15,929.09 : x
  2. Step 2: Convert to fraction form
    47,515.90/71,289.69 = 15,929.09/x
  3. Step 3: Cross multiply
    47,515.90x = 71,289.69 × 15,929.09
  4. Step 4: Simplify right side
    47,515.90x = 1,135,579,451.99
  5. Step 5: Solve for x
    x = 1,135,579,451.99/47,515.90
  6. Step 6: Final answer
    x = 23,898.94

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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.