Home / 39,262.78-54,186.15-23,130.24

Finding the Fourth Proportional to 39,262.78, 54,186.15 and 23,130.24

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Solution

The fourth proportional to 39,262.78, 54,186.15 and 23,130.24 is: 31,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262.78 : 54,186.15 = 23,130.24 : x
  2. Step 2: Convert to fraction form
    39,262.78/54,186.15 = 23,130.24/x
  3. Step 3: Cross multiply
    39,262.78x = 54,186.15 × 23,130.24
  4. Step 4: Simplify right side
    39,262.78x = 1,253,338,431.97
  5. Step 5: Solve for x
    x = 1,253,338,431.97/39,262.78
  6. Step 6: Final answer
    x = 31,921.80

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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.