Home / 45,198.56-67,709.59-21,472.34

Finding the Fourth Proportional to 45,198.56, 67,709.59 and 21,472.34

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Solution

The fourth proportional to 45,198.56, 67,709.59 and 21,472.34 is: 32,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198.56 : 67,709.59 = 21,472.34 : x
  2. Step 2: Convert to fraction form
    45,198.56/67,709.59 = 21,472.34/x
  3. Step 3: Cross multiply
    45,198.56x = 67,709.59 × 21,472.34
  4. Step 4: Simplify right side
    45,198.56x = 1,453,882,945.51
  5. Step 5: Solve for x
    x = 1,453,882,945.51/45,198.56
  6. Step 6: Final answer
    x = 32,166.57

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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.