Home / 34,887.42-48,144.30-18,972

Finding the Fourth Proportional to 34,887.42, 48,144.30 and 18,972

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Solution

The fourth proportional to 34,887.42, 48,144.30 and 18,972 is: 26,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.42 : 48,144.30 = 18,972 : x
  2. Step 2: Convert to fraction form
    34,887.42/48,144.30 = 18,972/x
  3. Step 3: Cross multiply
    34,887.42x = 48,144.30 × 18,972
  4. Step 4: Simplify right side
    34,887.42x = 913,393,659.60
  5. Step 5: Solve for x
    x = 913,393,659.60/34,887.42
  6. Step 6: Final answer
    x = 26,181.18

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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.