Home / 34,887.67-48,144.64-18,972.25

Finding the Fourth Proportional to 34,887.67, 48,144.64 and 18,972.25

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Solution

The fourth proportional to 34,887.67, 48,144.64 and 18,972.25 is: 26,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.67 : 48,144.64 = 18,972.25 : x
  2. Step 2: Convert to fraction form
    34,887.67/48,144.64 = 18,972.25/x
  3. Step 3: Cross multiply
    34,887.67x = 48,144.64 × 18,972.25
  4. Step 4: Simplify right side
    34,887.67x = 913,412,146.24
  5. Step 5: Solve for x
    x = 913,412,146.24/34,887.67
  6. Step 6: Final answer
    x = 26,181.52

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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.