Home / 34,887.36-48,145.60-18,972.96

Finding the Fourth Proportional to 34,887.36, 48,145.60 and 18,972.96

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Solution

The fourth proportional to 34,887.36, 48,145.60 and 18,972.96 is: 26,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.36 : 48,145.60 = 18,972.96 : x
  2. Step 2: Convert to fraction form
    34,887.36/48,145.60 = 18,972.96/x
  3. Step 3: Cross multiply
    34,887.36x = 48,145.60 × 18,972.96
  4. Step 4: Simplify right side
    34,887.36x = 913,464,542.98
  5. Step 5: Solve for x
    x = 913,464,542.98/34,887.36
  6. Step 6: Final answer
    x = 26,183.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.