Home / 47,929.07-71,859.57-18,321.95

Finding the Fourth Proportional to 47,929.07, 71,859.57 and 18,321.95

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Solution

The fourth proportional to 47,929.07, 71,859.57 and 18,321.95 is: 27,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,929.07 : 71,859.57 = 18,321.95 : x
  2. Step 2: Convert to fraction form
    47,929.07/71,859.57 = 18,321.95/x
  3. Step 3: Cross multiply
    47,929.07x = 71,859.57 × 18,321.95
  4. Step 4: Simplify right side
    47,929.07x = 1,316,607,089.26
  5. Step 5: Solve for x
    x = 1,316,607,089.26/47,929.07
  6. Step 6: Final answer
    x = 27,469.91

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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.