Home / 49,381.06-74,069.90-19,790.94

Finding the Fourth Proportional to 49,381.06, 74,069.90 and 19,790.94

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Solution

The fourth proportional to 49,381.06, 74,069.90 and 19,790.94 is: 29,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,381.06 : 74,069.90 = 19,790.94 : x
  2. Step 2: Convert to fraction form
    49,381.06/74,069.90 = 19,790.94/x
  3. Step 3: Cross multiply
    49,381.06x = 74,069.90 × 19,790.94
  4. Step 4: Simplify right side
    49,381.06x = 1,465,912,946.71
  5. Step 5: Solve for x
    x = 1,465,912,946.71/49,381.06
  6. Step 6: Final answer
    x = 29,685.73

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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.