Home / 40,831.74-61,241.09-15,883.20

Finding the Fourth Proportional to 40,831.74, 61,241.09 and 15,883.20

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Solution

The fourth proportional to 40,831.74, 61,241.09 and 15,883.20 is: 23,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,831.74 : 61,241.09 = 15,883.20 : x
  2. Step 2: Convert to fraction form
    40,831.74/61,241.09 = 15,883.20/x
  3. Step 3: Cross multiply
    40,831.74x = 61,241.09 × 15,883.20
  4. Step 4: Simplify right side
    40,831.74x = 972,704,401.27
  5. Step 5: Solve for x
    x = 972,704,401.27/40,831.74
  6. Step 6: Final answer
    x = 23,822.26

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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.