Home / 34,887.15-48,144.75-18,971.58

Finding the Fourth Proportional to 34,887.15, 48,144.75 and 18,971.58

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Solution

The fourth proportional to 34,887.15, 48,144.75 and 18,971.58 is: 26,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.15 : 48,144.75 = 18,971.58 : x
  2. Step 2: Convert to fraction form
    34,887.15/48,144.75 = 18,971.58/x
  3. Step 3: Cross multiply
    34,887.15x = 48,144.75 × 18,971.58
  4. Step 4: Simplify right side
    34,887.15x = 913,381,976.21
  5. Step 5: Solve for x
    x = 913,381,976.21/34,887.15
  6. Step 6: Final answer
    x = 26,181.04

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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.