Home / 39,256.36-58,878.78-12,961.96

Finding the Fourth Proportional to 39,256.36, 58,878.78 and 12,961.96

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Solution

The fourth proportional to 39,256.36, 58,878.78 and 12,961.96 is: 19,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,256.36 : 58,878.78 = 12,961.96 : x
  2. Step 2: Convert to fraction form
    39,256.36/58,878.78 = 12,961.96/x
  3. Step 3: Cross multiply
    39,256.36x = 58,878.78 × 12,961.96
  4. Step 4: Simplify right side
    39,256.36x = 763,184,391.21
  5. Step 5: Solve for x
    x = 763,184,391.21/39,256.36
  6. Step 6: Final answer
    x = 19,441.04

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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.