Home / 35,974.78-53,931.39-13,804.07

Finding the Fourth Proportional to 35,974.78, 53,931.39 and 13,804.07

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Solution

The fourth proportional to 35,974.78, 53,931.39 and 13,804.07 is: 20,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,974.78 : 53,931.39 = 13,804.07 : x
  2. Step 2: Convert to fraction form
    35,974.78/53,931.39 = 13,804.07/x
  3. Step 3: Cross multiply
    35,974.78x = 53,931.39 × 13,804.07
  4. Step 4: Simplify right side
    35,974.78x = 744,472,682.76
  5. Step 5: Solve for x
    x = 744,472,682.76/35,974.78
  6. Step 6: Final answer
    x = 20,694.29

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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.