Home / 34,879.40-52,246.20-19,278.80

Finding the Fourth Proportional to 34,879.40, 52,246.20 and 19,278.80

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Solution

The fourth proportional to 34,879.40, 52,246.20 and 19,278.80 is: 28,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.40 : 52,246.20 = 19,278.80 : x
  2. Step 2: Convert to fraction form
    34,879.40/52,246.20 = 19,278.80/x
  3. Step 3: Cross multiply
    34,879.40x = 52,246.20 × 19,278.80
  4. Step 4: Simplify right side
    34,879.40x = 1,007,244,040.56
  5. Step 5: Solve for x
    x = 1,007,244,040.56/34,879.40
  6. Step 6: Final answer
    x = 28,877.91

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1.5x scale

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.