Home / 29,100.72-43,638.64-11,077.12

Finding the Fourth Proportional to 29,100.72, 43,638.64 and 11,077.12

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Solution

The fourth proportional to 29,100.72, 43,638.64 and 11,077.12 is: 16,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.72 : 43,638.64 = 11,077.12 : x
  2. Step 2: Convert to fraction form
    29,100.72/43,638.64 = 11,077.12/x
  3. Step 3: Cross multiply
    29,100.72x = 43,638.64 × 11,077.12
  4. Step 4: Simplify right side
    29,100.72x = 483,390,451.92
  5. Step 5: Solve for x
    x = 483,390,451.92/29,100.72
  6. Step 6: Final answer
    x = 16,610.94

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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.