Home / 53,791.18-74,230.71-29,591.12

Finding the Fourth Proportional to 53,791.18, 74,230.71 and 29,591.12

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Solution

The fourth proportional to 53,791.18, 74,230.71 and 29,591.12 is: 40,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.18 : 74,230.71 = 29,591.12 : x
  2. Step 2: Convert to fraction form
    53,791.18/74,230.71 = 29,591.12/x
  3. Step 3: Cross multiply
    53,791.18x = 74,230.71 × 29,591.12
  4. Step 4: Simplify right side
    53,791.18x = 2,196,569,921.91
  5. Step 5: Solve for x
    x = 2,196,569,921.91/53,791.18
  6. Step 6: Final answer
    x = 40,835.13

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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.