Home / 35,429.16-53,107.29-15,717

Finding the Fourth Proportional to 35,429.16, 53,107.29 and 15,717

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Solution

The fourth proportional to 35,429.16, 53,107.29 and 15,717 is: 23,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.16 : 53,107.29 = 15,717 : x
  2. Step 2: Convert to fraction form
    35,429.16/53,107.29 = 15,717/x
  3. Step 3: Cross multiply
    35,429.16x = 53,107.29 × 15,717
  4. Step 4: Simplify right side
    35,429.16x = 834,687,276.93
  5. Step 5: Solve for x
    x = 834,687,276.93/35,429.16
  6. Step 6: Final answer
    x = 23,559.33

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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.