Home / 45,609.35-68,396.40-21,901.79

Finding the Fourth Proportional to 45,609.35, 68,396.40 and 21,901.79

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Solution

The fourth proportional to 45,609.35, 68,396.40 and 21,901.79 is: 32,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.35 : 68,396.40 = 21,901.79 : x
  2. Step 2: Convert to fraction form
    45,609.35/68,396.40 = 21,901.79/x
  3. Step 3: Cross multiply
    45,609.35x = 68,396.40 × 21,901.79
  4. Step 4: Simplify right side
    45,609.35x = 1,498,003,760.55
  5. Step 5: Solve for x
    x = 1,498,003,760.55/45,609.35
  6. Step 6: Final answer
    x = 32,844.23

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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.