Home / 34,870.21-48,119.31-19,761.99

Finding the Fourth Proportional to 34,870.21, 48,119.31 and 19,761.99

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Solution

The fourth proportional to 34,870.21, 48,119.31 and 19,761.99 is: 27,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.21 : 48,119.31 = 19,761.99 : x
  2. Step 2: Convert to fraction form
    34,870.21/48,119.31 = 19,761.99/x
  3. Step 3: Cross multiply
    34,870.21x = 48,119.31 × 19,761.99
  4. Step 4: Simplify right side
    34,870.21x = 950,933,323.03
  5. Step 5: Solve for x
    x = 950,933,323.03/34,870.21
  6. Step 6: Final answer
    x = 27,270.65

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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.