Home / 29,948.64-44,928.09-12,408.90

Finding the Fourth Proportional to 29,948.64, 44,928.09 and 12,408.90

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Solution

The fourth proportional to 29,948.64, 44,928.09 and 12,408.90 is: 18,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,948.64 : 44,928.09 = 12,408.90 : x
  2. Step 2: Convert to fraction form
    29,948.64/44,928.09 = 12,408.90/x
  3. Step 3: Cross multiply
    29,948.64x = 44,928.09 × 12,408.90
  4. Step 4: Simplify right side
    29,948.64x = 557,508,176.00
  5. Step 5: Solve for x
    x = 557,508,176.00/29,948.64
  6. Step 6: Final answer
    x = 18,615.48

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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.