Home / 34,855.50-48,100.56-18,939.96

Finding the Fourth Proportional to 34,855.50, 48,100.56 and 18,939.96

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Solution

The fourth proportional to 34,855.50, 48,100.56 and 18,939.96 is: 26,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.50 : 48,100.56 = 18,939.96 : x
  2. Step 2: Convert to fraction form
    34,855.50/48,100.56 = 18,939.96/x
  3. Step 3: Cross multiply
    34,855.50x = 48,100.56 × 18,939.96
  4. Step 4: Simplify right side
    34,855.50x = 911,022,682.38
  5. Step 5: Solve for x
    x = 911,022,682.38/34,855.50
  6. Step 6: Final answer
    x = 26,137.13

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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.