Home / 49,136.40-73,686.60-15,865.20

Finding the Fourth Proportional to 49,136.40, 73,686.60 and 15,865.20

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Solution

The fourth proportional to 49,136.40, 73,686.60 and 15,865.20 is: 23,791.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.40 : 73,686.60 = 15,865.20 : x
  2. Step 2: Convert to fraction form
    49,136.40/73,686.60 = 15,865.20/x
  3. Step 3: Cross multiply
    49,136.40x = 73,686.60 × 15,865.20
  4. Step 4: Simplify right side
    49,136.40x = 1,169,052,646.32
  5. Step 5: Solve for x
    x = 1,169,052,646.32/49,136.40
  6. Step 6: Final answer
    x = 23,791.99

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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.