Home / 45,927.20-68,890.80-19,634.60

Finding the Fourth Proportional to 45,927.20, 68,890.80 and 19,634.60

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Solution

The fourth proportional to 45,927.20, 68,890.80 and 19,634.60 is: 29,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,927.20 : 68,890.80 = 19,634.60 : x
  2. Step 2: Convert to fraction form
    45,927.20/68,890.80 = 19,634.60/x
  3. Step 3: Cross multiply
    45,927.20x = 68,890.80 × 19,634.60
  4. Step 4: Simplify right side
    45,927.20x = 1,352,643,301.68
  5. Step 5: Solve for x
    x = 1,352,643,301.68/45,927.20
  6. Step 6: Final answer
    x = 29,451.90

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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.