Home / 53,391.43-80,081.67-13,943.41

Finding the Fourth Proportional to 53,391.43, 80,081.67 and 13,943.41

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Solution

The fourth proportional to 53,391.43, 80,081.67 and 13,943.41 is: 20,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.43 : 80,081.67 = 13,943.41 : x
  2. Step 2: Convert to fraction form
    53,391.43/80,081.67 = 13,943.41/x
  3. Step 3: Cross multiply
    53,391.43x = 80,081.67 × 13,943.41
  4. Step 4: Simplify right side
    53,391.43x = 1,116,611,558.29
  5. Step 5: Solve for x
    x = 1,116,611,558.29/53,391.43
  6. Step 6: Final answer
    x = 20,913.69

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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.