Home / 39,145.31-58,717.81-14,179.52

Finding the Fourth Proportional to 39,145.31, 58,717.81 and 14,179.52

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Solution

The fourth proportional to 39,145.31, 58,717.81 and 14,179.52 is: 21,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.31 : 58,717.81 = 14,179.52 : x
  2. Step 2: Convert to fraction form
    39,145.31/58,717.81 = 14,179.52/x
  3. Step 3: Cross multiply
    39,145.31x = 58,717.81 × 14,179.52
  4. Step 4: Simplify right side
    39,145.31x = 832,590,278.05
  5. Step 5: Solve for x
    x = 832,590,278.05/39,145.31
  6. Step 6: Final answer
    x = 21,269.22

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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.