Home / 49,558.55-74,352.40-19,961.15

Finding the Fourth Proportional to 49,558.55, 74,352.40 and 19,961.15

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Solution

The fourth proportional to 49,558.55, 74,352.40 and 19,961.15 is: 29,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,558.55 : 74,352.40 = 19,961.15 : x
  2. Step 2: Convert to fraction form
    49,558.55/74,352.40 = 19,961.15/x
  3. Step 3: Cross multiply
    49,558.55x = 74,352.40 × 19,961.15
  4. Step 4: Simplify right side
    49,558.55x = 1,484,158,987.60
  5. Step 5: Solve for x
    x = 1,484,158,987.60/49,558.55
  6. Step 6: Final answer
    x = 29,947.59

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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.