Home / 39,894.10-59,858.78-21,169.57

Finding the Fourth Proportional to 39,894.10, 59,858.78 and 21,169.57

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Solution

The fourth proportional to 39,894.10, 59,858.78 and 21,169.57 is: 31,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,894.10 : 59,858.78 = 21,169.57 : x
  2. Step 2: Convert to fraction form
    39,894.10/59,858.78 = 21,169.57/x
  3. Step 3: Cross multiply
    39,894.10x = 59,858.78 × 21,169.57
  4. Step 4: Simplify right side
    39,894.10x = 1,267,184,633.32
  5. Step 5: Solve for x
    x = 1,267,184,633.32/39,894.10
  6. Step 6: Final answer
    x = 31,763.71

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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.