Home / 34,694.12-47,877.80-18,778.44

Finding the Fourth Proportional to 34,694.12, 47,877.80 and 18,778.44

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Solution

The fourth proportional to 34,694.12, 47,877.80 and 18,778.44 is: 25,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.12 : 47,877.80 = 18,778.44 : x
  2. Step 2: Convert to fraction form
    34,694.12/47,877.80 = 18,778.44/x
  3. Step 3: Cross multiply
    34,694.12x = 47,877.80 × 18,778.44
  4. Step 4: Simplify right side
    34,694.12x = 899,070,394.63
  5. Step 5: Solve for x
    x = 899,070,394.63/34,694.12
  6. Step 6: Final answer
    x = 25,914.20

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1.5x scale

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.