Home / 53,915.13-80,880.26-18,846.81

Finding the Fourth Proportional to 53,915.13, 80,880.26 and 18,846.81

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Solution

The fourth proportional to 53,915.13, 80,880.26 and 18,846.81 is: 28,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915.13 : 80,880.26 = 18,846.81 : x
  2. Step 2: Convert to fraction form
    53,915.13/80,880.26 = 18,846.81/x
  3. Step 3: Cross multiply
    53,915.13x = 80,880.26 × 18,846.81
  4. Step 4: Simplify right side
    53,915.13x = 1,524,334,892.97
  5. Step 5: Solve for x
    x = 1,524,334,892.97/53,915.13
  6. Step 6: Final answer
    x = 28,272.86

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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.