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Finding the Fourth Proportional to 34,871, 48,120.44 and 19,762.80

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Solution

The fourth proportional to 34,871, 48,120.44 and 19,762.80 is: 27,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,871 : 48,120.44 = 19,762.80 : x
  2. Step 2: Convert to fraction form
    34,871/48,120.44 = 19,762.80/x
  3. Step 3: Cross multiply
    34,871x = 48,120.44 × 19,762.80
  4. Step 4: Simplify right side
    34,871x = 950,994,631.63
  5. Step 5: Solve for x
    x = 950,994,631.63/34,871
  6. Step 6: Final answer
    x = 27,271.79

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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.