Home / 49,900.40-74,813.16-30,174.92

Finding the Fourth Proportional to 49,900.40, 74,813.16 and 30,174.92

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Solution

The fourth proportional to 49,900.40, 74,813.16 and 30,174.92 is: 45,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.40 : 74,813.16 = 30,174.92 : x
  2. Step 2: Convert to fraction form
    49,900.40/74,813.16 = 30,174.92/x
  3. Step 3: Cross multiply
    49,900.40x = 74,813.16 × 30,174.92
  4. Step 4: Simplify right side
    49,900.40x = 2,257,481,117.95
  5. Step 5: Solve for x
    x = 2,257,481,117.95/49,900.40
  6. Step 6: Final answer
    x = 45,239.74

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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.