Home / 39,291.86-58,912.41-16,817.21

Finding the Fourth Proportional to 39,291.86, 58,912.41 and 16,817.21

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Solution

The fourth proportional to 39,291.86, 58,912.41 and 16,817.21 is: 25,214.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.86 : 58,912.41 = 16,817.21 : x
  2. Step 2: Convert to fraction form
    39,291.86/58,912.41 = 16,817.21/x
  3. Step 3: Cross multiply
    39,291.86x = 58,912.41 × 16,817.21
  4. Step 4: Simplify right side
    39,291.86x = 990,742,360.00
  5. Step 5: Solve for x
    x = 990,742,360.00/39,291.86
  6. Step 6: Final answer
    x = 25,214.95

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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.