Home / 34,781.56-52,137.12-13,736.44

Finding the Fourth Proportional to 34,781.56, 52,137.12 and 13,736.44

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Solution

The fourth proportional to 34,781.56, 52,137.12 and 13,736.44 is: 20,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.56 : 52,137.12 = 13,736.44 : x
  2. Step 2: Convert to fraction form
    34,781.56/52,137.12 = 13,736.44/x
  3. Step 3: Cross multiply
    34,781.56x = 52,137.12 × 13,736.44
  4. Step 4: Simplify right side
    34,781.56x = 716,178,264.55
  5. Step 5: Solve for x
    x = 716,178,264.55/34,781.56
  6. Step 6: Final answer
    x = 20,590.75

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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.