Home / 49,120.40-73,692.12-19,539.92

Finding the Fourth Proportional to 49,120.40, 73,692.12 and 19,539.92

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Solution

The fourth proportional to 49,120.40, 73,692.12 and 19,539.92 is: 29,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,120.40 : 73,692.12 = 19,539.92 : x
  2. Step 2: Convert to fraction form
    49,120.40/73,692.12 = 19,539.92/x
  3. Step 3: Cross multiply
    49,120.40x = 73,692.12 × 19,539.92
  4. Step 4: Simplify right side
    49,120.40x = 1,439,938,129.43
  5. Step 5: Solve for x
    x = 1,439,938,129.43/49,120.40
  6. Step 6: Final answer
    x = 29,314.46

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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.