Home / 29,135.53-40,172.64-19,941.52

Finding the Fourth Proportional to 29,135.53, 40,172.64 and 19,941.52

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Solution

The fourth proportional to 29,135.53, 40,172.64 and 19,941.52 is: 27,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.53 : 40,172.64 = 19,941.52 : x
  2. Step 2: Convert to fraction form
    29,135.53/40,172.64 = 19,941.52/x
  3. Step 3: Cross multiply
    29,135.53x = 40,172.64 × 19,941.52
  4. Step 4: Simplify right side
    29,135.53x = 801,103,319.18
  5. Step 5: Solve for x
    x = 801,103,319.18/29,135.53
  6. Step 6: Final answer
    x = 27,495.76

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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.