Home / 51,071.49-76,679.00-26,129.43

Finding the Fourth Proportional to 51,071.49, 76,679.00 and 26,129.43

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Solution

The fourth proportional to 51,071.49, 76,679.00 and 26,129.43 is: 39,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.49 : 76,679.00 = 26,129.43 : x
  2. Step 2: Convert to fraction form
    51,071.49/76,679.00 = 26,129.43/x
  3. Step 3: Cross multiply
    51,071.49x = 76,679.00 × 26,129.43
  4. Step 4: Simplify right side
    51,071.49x = 2,003,578,432.32
  5. Step 5: Solve for x
    x = 2,003,578,432.32/51,071.49
  6. Step 6: Final answer
    x = 39,230.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.