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Finding the Fourth Proportional to 35,370, 48,808.44 and 19,456.20

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Solution

The fourth proportional to 35,370, 48,808.44 and 19,456.20 is: 26,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370 : 48,808.44 = 19,456.20 : x
  2. Step 2: Convert to fraction form
    35,370/48,808.44 = 19,456.20/x
  3. Step 3: Cross multiply
    35,370x = 48,808.44 × 19,456.20
  4. Step 4: Simplify right side
    35,370x = 949,626,770.33
  5. Step 5: Solve for x
    x = 949,626,770.33/35,370
  6. Step 6: Final answer
    x = 26,848.37

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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.