Home / 39,850.86-59,790.12-17,679.80

Finding the Fourth Proportional to 39,850.86, 59,790.12 and 17,679.80

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Solution

The fourth proportional to 39,850.86, 59,790.12 and 17,679.80 is: 26,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,850.86 : 59,790.12 = 17,679.80 : x
  2. Step 2: Convert to fraction form
    39,850.86/59,790.12 = 17,679.80/x
  3. Step 3: Cross multiply
    39,850.86x = 59,790.12 × 17,679.80
  4. Step 4: Simplify right side
    39,850.86x = 1,057,077,595.93
  5. Step 5: Solve for x
    x = 1,057,077,595.93/39,850.86
  6. Step 6: Final answer
    x = 26,525.84

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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.