Home / 39,318.48-58,987.04-17,135.82

Finding the Fourth Proportional to 39,318.48, 58,987.04 and 17,135.82

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Solution

The fourth proportional to 39,318.48, 58,987.04 and 17,135.82 is: 25,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.48 : 58,987.04 = 17,135.82 : x
  2. Step 2: Convert to fraction form
    39,318.48/58,987.04 = 17,135.82/x
  3. Step 3: Cross multiply
    39,318.48x = 58,987.04 × 17,135.82
  4. Step 4: Simplify right side
    39,318.48x = 1,010,791,214.09
  5. Step 5: Solve for x
    x = 1,010,791,214.09/39,318.48
  6. Step 6: Final answer
    x = 25,707.79

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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.