Home / 53,361.21-80,046.36-15,918.87

Finding the Fourth Proportional to 53,361.21, 80,046.36 and 15,918.87

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Solution

The fourth proportional to 53,361.21, 80,046.36 and 15,918.87 is: 23,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.21 : 80,046.36 = 15,918.87 : x
  2. Step 2: Convert to fraction form
    53,361.21/80,046.36 = 15,918.87/x
  3. Step 3: Cross multiply
    53,361.21x = 80,046.36 × 15,918.87
  4. Step 4: Simplify right side
    53,361.21x = 1,274,247,598.81
  5. Step 5: Solve for x
    x = 1,274,247,598.81/53,361.21
  6. Step 6: Final answer
    x = 23,879.66

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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.