Home / 39,052.93-53,893.07-21,147.95

Finding the Fourth Proportional to 39,052.93, 53,893.07 and 21,147.95

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Solution

The fourth proportional to 39,052.93, 53,893.07 and 21,147.95 is: 29,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,052.93 : 53,893.07 = 21,147.95 : x
  2. Step 2: Convert to fraction form
    39,052.93/53,893.07 = 21,147.95/x
  3. Step 3: Cross multiply
    39,052.93x = 53,893.07 × 21,147.95
  4. Step 4: Simplify right side
    39,052.93x = 1,139,728,137.31
  5. Step 5: Solve for x
    x = 1,139,728,137.31/39,052.93
  6. Step 6: Final answer
    x = 29,184.19

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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.