Home / 32,148.90-48,231-13,418.55

Finding the Fourth Proportional to 32,148.90, 48,231 and 13,418.55

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Solution

The fourth proportional to 32,148.90, 48,231 and 13,418.55 is: 20,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,148.90 : 48,231 = 13,418.55 : x
  2. Step 2: Convert to fraction form
    32,148.90/48,231 = 13,418.55/x
  3. Step 3: Cross multiply
    32,148.90x = 48,231 × 13,418.55
  4. Step 4: Simplify right side
    32,148.90x = 647,190,085.05
  5. Step 5: Solve for x
    x = 647,190,085.05/32,148.90
  6. Step 6: Final answer
    x = 20,131.02

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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.