Home / 30,236.98-45,324.15-21,896.14

Finding the Fourth Proportional to 30,236.98, 45,324.15 and 21,896.14

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Solution

The fourth proportional to 30,236.98, 45,324.15 and 21,896.14 is: 32,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.98 : 45,324.15 = 21,896.14 : x
  2. Step 2: Convert to fraction form
    30,236.98/45,324.15 = 21,896.14/x
  3. Step 3: Cross multiply
    30,236.98x = 45,324.15 × 21,896.14
  4. Step 4: Simplify right side
    30,236.98x = 992,423,933.78
  5. Step 5: Solve for x
    x = 992,423,933.78/30,236.98
  6. Step 6: Final answer
    x = 32,821.53

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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.