Home / 29,972.64-44,967.90-8,913.36

Finding the Fourth Proportional to 29,972.64, 44,967.90 and 8,913.36

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Solution

The fourth proportional to 29,972.64, 44,967.90 and 8,913.36 is: 13,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.64 : 44,967.90 = 8,913.36 : x
  2. Step 2: Convert to fraction form
    29,972.64/44,967.90 = 8,913.36/x
  3. Step 3: Cross multiply
    29,972.64x = 44,967.90 × 8,913.36
  4. Step 4: Simplify right side
    29,972.64x = 400,815,081.14
  5. Step 5: Solve for x
    x = 400,815,081.14/29,972.64
  6. Step 6: Final answer
    x = 13,372.70

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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.