Home / 49,919.30-68,903.88-30,804.92

Finding the Fourth Proportional to 49,919.30, 68,903.88 and 30,804.92

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Solution

The fourth proportional to 49,919.30, 68,903.88 and 30,804.92 is: 42,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.30 : 68,903.88 = 30,804.92 : x
  2. Step 2: Convert to fraction form
    49,919.30/68,903.88 = 30,804.92/x
  3. Step 3: Cross multiply
    49,919.30x = 68,903.88 × 30,804.92
  4. Step 4: Simplify right side
    49,919.30x = 2,122,578,166.57
  5. Step 5: Solve for x
    x = 2,122,578,166.57/49,919.30
  6. Step 6: Final answer
    x = 42,520.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.