Home / 39,743.62-59,615.19-10,161.40

Finding the Fourth Proportional to 39,743.62, 59,615.19 and 10,161.40

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Solution

The fourth proportional to 39,743.62, 59,615.19 and 10,161.40 is: 15,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743.62 : 59,615.19 = 10,161.40 : x
  2. Step 2: Convert to fraction form
    39,743.62/59,615.19 = 10,161.40/x
  3. Step 3: Cross multiply
    39,743.62x = 59,615.19 × 10,161.40
  4. Step 4: Simplify right side
    39,743.62x = 605,773,791.67
  5. Step 5: Solve for x
    x = 605,773,791.67/39,743.62
  6. Step 6: Final answer
    x = 15,242.04

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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.