Home / 49,990.95-75,016.68-21,912.63

Finding the Fourth Proportional to 49,990.95, 75,016.68 and 21,912.63

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Solution

The fourth proportional to 49,990.95, 75,016.68 and 21,912.63 is: 32,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.95 : 75,016.68 = 21,912.63 : x
  2. Step 2: Convert to fraction form
    49,990.95/75,016.68 = 21,912.63/x
  3. Step 3: Cross multiply
    49,990.95x = 75,016.68 × 21,912.63
  4. Step 4: Simplify right side
    49,990.95x = 1,643,812,752.67
  5. Step 5: Solve for x
    x = 1,643,812,752.67/49,990.95
  6. Step 6: Final answer
    x = 32,882.21

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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.