Home / 47,968.78-71,965.32-16,803.22

Finding the Fourth Proportional to 47,968.78, 71,965.32 and 16,803.22

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Solution

The fourth proportional to 47,968.78, 71,965.32 and 16,803.22 is: 25,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.78 : 71,965.32 = 16,803.22 : x
  2. Step 2: Convert to fraction form
    47,968.78/71,965.32 = 16,803.22/x
  3. Step 3: Cross multiply
    47,968.78x = 71,965.32 × 16,803.22
  4. Step 4: Simplify right side
    47,968.78x = 1,209,249,104.33
  5. Step 5: Solve for x
    x = 1,209,249,104.33/47,968.78
  6. Step 6: Final answer
    x = 25,209.09

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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.