Home / 53,791.79-74,236.38-29,920.69

Finding the Fourth Proportional to 53,791.79, 74,236.38 and 29,920.69

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Solution

The fourth proportional to 53,791.79, 74,236.38 and 29,920.69 is: 41,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.79 : 74,236.38 = 29,920.69 : x
  2. Step 2: Convert to fraction form
    53,791.79/74,236.38 = 29,920.69/x
  3. Step 3: Cross multiply
    53,791.79x = 74,236.38 × 29,920.69
  4. Step 4: Simplify right side
    53,791.79x = 2,221,203,341.52
  5. Step 5: Solve for x
    x = 2,221,203,341.52/53,791.79
  6. Step 6: Final answer
    x = 41,292.61

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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.