Home / 39,143.13-58,724.33-18,097.81

Finding the Fourth Proportional to 39,143.13, 58,724.33 and 18,097.81

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Solution

The fourth proportional to 39,143.13, 58,724.33 and 18,097.81 is: 27,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.13 : 58,724.33 = 18,097.81 : x
  2. Step 2: Convert to fraction form
    39,143.13/58,724.33 = 18,097.81/x
  3. Step 3: Cross multiply
    39,143.13x = 58,724.33 × 18,097.81
  4. Step 4: Simplify right side
    39,143.13x = 1,062,781,529.42
  5. Step 5: Solve for x
    x = 1,062,781,529.42/39,143.13
  6. Step 6: Final answer
    x = 27,151.17

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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.