Home / 49,380.59-74,080.10-19,800.74

Finding the Fourth Proportional to 49,380.59, 74,080.10 and 19,800.74

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Solution

The fourth proportional to 49,380.59, 74,080.10 and 19,800.74 is: 29,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380.59 : 74,080.10 = 19,800.74 : x
  2. Step 2: Convert to fraction form
    49,380.59/74,080.10 = 19,800.74/x
  3. Step 3: Cross multiply
    49,380.59x = 74,080.10 × 19,800.74
  4. Step 4: Simplify right side
    49,380.59x = 1,466,840,329.87
  5. Step 5: Solve for x
    x = 1,466,840,329.87/49,380.59
  6. Step 6: Final answer
    x = 29,704.80

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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.