Home / 35,897.62-53,849.19-10,939.78

Finding the Fourth Proportional to 35,897.62, 53,849.19 and 10,939.78

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Solution

The fourth proportional to 35,897.62, 53,849.19 and 10,939.78 is: 16,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,897.62 : 53,849.19 = 10,939.78 : x
  2. Step 2: Convert to fraction form
    35,897.62/53,849.19 = 10,939.78/x
  3. Step 3: Cross multiply
    35,897.62x = 53,849.19 × 10,939.78
  4. Step 4: Simplify right side
    35,897.62x = 589,098,291.78
  5. Step 5: Solve for x
    x = 589,098,291.78/35,897.62
  6. Step 6: Final answer
    x = 16,410.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.