Home / 39,847.25-59,744.90-18,491.20

Finding the Fourth Proportional to 39,847.25, 59,744.90 and 18,491.20

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Solution

The fourth proportional to 39,847.25, 59,744.90 and 18,491.20 is: 27,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,847.25 : 59,744.90 = 18,491.20 : x
  2. Step 2: Convert to fraction form
    39,847.25/59,744.90 = 18,491.20/x
  3. Step 3: Cross multiply
    39,847.25x = 59,744.90 × 18,491.20
  4. Step 4: Simplify right side
    39,847.25x = 1,104,754,894.88
  5. Step 5: Solve for x
    x = 1,104,754,894.88/39,847.25
  6. Step 6: Final answer
    x = 27,724.75

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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.