Home / 34,289.97-51,392.55-20,235.75

Finding the Fourth Proportional to 34,289.97, 51,392.55 and 20,235.75

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Solution

The fourth proportional to 34,289.97, 51,392.55 and 20,235.75 is: 30,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.97 : 51,392.55 = 20,235.75 : x
  2. Step 2: Convert to fraction form
    34,289.97/51,392.55 = 20,235.75/x
  3. Step 3: Cross multiply
    34,289.97x = 51,392.55 × 20,235.75
  4. Step 4: Simplify right side
    34,289.97x = 1,039,966,793.66
  5. Step 5: Solve for x
    x = 1,039,966,793.66/34,289.97
  6. Step 6: Final answer
    x = 30,328.60

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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.