Home / 34,694.13-47,877.80-18,778.57

Finding the Fourth Proportional to 34,694.13, 47,877.80 and 18,778.57

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Solution

The fourth proportional to 34,694.13, 47,877.80 and 18,778.57 is: 25,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.13 : 47,877.80 = 18,778.57 : x
  2. Step 2: Convert to fraction form
    34,694.13/47,877.80 = 18,778.57/x
  3. Step 3: Cross multiply
    34,694.13x = 47,877.80 × 18,778.57
  4. Step 4: Simplify right side
    34,694.13x = 899,076,618.75
  5. Step 5: Solve for x
    x = 899,076,618.75/34,694.13
  6. Step 6: Final answer
    x = 25,914.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.