Home / 29,986.36-44,971.68-8,920.74

Finding the Fourth Proportional to 29,986.36, 44,971.68 and 8,920.74

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Solution

The fourth proportional to 29,986.36, 44,971.68 and 8,920.74 is: 13,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.36 : 44,971.68 = 8,920.74 : x
  2. Step 2: Convert to fraction form
    29,986.36/44,971.68 = 8,920.74/x
  3. Step 3: Cross multiply
    29,986.36x = 44,971.68 × 8,920.74
  4. Step 4: Simplify right side
    29,986.36x = 401,180,664.64
  5. Step 5: Solve for x
    x = 401,180,664.64/29,986.36
  6. Step 6: Final answer
    x = 13,378.77

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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.