Home / 49,438.09-74,160.60-19,855.95

Finding the Fourth Proportional to 49,438.09, 74,160.60 and 19,855.95

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Solution

The fourth proportional to 49,438.09, 74,160.60 and 19,855.95 is: 29,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.09 : 74,160.60 = 19,855.95 : x
  2. Step 2: Convert to fraction form
    49,438.09/74,160.60 = 19,855.95/x
  3. Step 3: Cross multiply
    49,438.09x = 74,160.60 × 19,855.95
  4. Step 4: Simplify right side
    49,438.09x = 1,472,529,165.57
  5. Step 5: Solve for x
    x = 1,472,529,165.57/49,438.09
  6. Step 6: Final answer
    x = 29,785.32

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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.