Home / 39,121.36-58,683.66-15,748

Finding the Fourth Proportional to 39,121.36, 58,683.66 and 15,748

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Solution

The fourth proportional to 39,121.36, 58,683.66 and 15,748 is: 23,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.36 : 58,683.66 = 15,748 : x
  2. Step 2: Convert to fraction form
    39,121.36/58,683.66 = 15,748/x
  3. Step 3: Cross multiply
    39,121.36x = 58,683.66 × 15,748
  4. Step 4: Simplify right side
    39,121.36x = 924,150,277.68
  5. Step 5: Solve for x
    x = 924,150,277.68/39,121.36
  6. Step 6: Final answer
    x = 23,622.65

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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.