Home / 53,791.78-74,230.31-29,591.21

Finding the Fourth Proportional to 53,791.78, 74,230.31 and 29,591.21

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Solution

The fourth proportional to 53,791.78, 74,230.31 and 29,591.21 is: 40,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.78 : 74,230.31 = 29,591.21 : x
  2. Step 2: Convert to fraction form
    53,791.78/74,230.31 = 29,591.21/x
  3. Step 3: Cross multiply
    53,791.78x = 74,230.31 × 29,591.21
  4. Step 4: Simplify right side
    53,791.78x = 2,196,564,172.47
  5. Step 5: Solve for x
    x = 2,196,564,172.47/53,791.78
  6. Step 6: Final answer
    x = 40,834.57

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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.