Home / 29,307.96-43,961.33-7,121.45

Finding the Fourth Proportional to 29,307.96, 43,961.33 and 7,121.45

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Solution

The fourth proportional to 29,307.96, 43,961.33 and 7,121.45 is: 10,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.96 : 43,961.33 = 7,121.45 : x
  2. Step 2: Convert to fraction form
    29,307.96/43,961.33 = 7,121.45/x
  3. Step 3: Cross multiply
    29,307.96x = 43,961.33 × 7,121.45
  4. Step 4: Simplify right side
    29,307.96x = 313,068,158.11
  5. Step 5: Solve for x
    x = 313,068,158.11/29,307.96
  6. Step 6: Final answer
    x = 10,682.02

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1.5x scale

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.