Home / 39,002.17-53,822.66-21,097.02

Finding the Fourth Proportional to 39,002.17, 53,822.66 and 21,097.02

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Solution

The fourth proportional to 39,002.17, 53,822.66 and 21,097.02 is: 29,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.17 : 53,822.66 = 21,097.02 : x
  2. Step 2: Convert to fraction form
    39,002.17/53,822.66 = 21,097.02/x
  3. Step 3: Cross multiply
    39,002.17x = 53,822.66 × 21,097.02
  4. Step 4: Simplify right side
    39,002.17x = 1,135,497,734.47
  5. Step 5: Solve for x
    x = 1,135,497,734.47/39,002.17
  6. Step 6: Final answer
    x = 29,113.71

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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.