Home / 48,684.78-67,185.90-28,556.22

Finding the Fourth Proportional to 48,684.78, 67,185.90 and 28,556.22

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Solution

The fourth proportional to 48,684.78, 67,185.90 and 28,556.22 is: 39,408.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,684.78 : 67,185.90 = 28,556.22 : x
  2. Step 2: Convert to fraction form
    48,684.78/67,185.90 = 28,556.22/x
  3. Step 3: Cross multiply
    48,684.78x = 67,185.90 × 28,556.22
  4. Step 4: Simplify right side
    48,684.78x = 1,918,575,341.30
  5. Step 5: Solve for x
    x = 1,918,575,341.30/48,684.78
  6. Step 6: Final answer
    x = 39,408.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.