Home / 51,071.98-76,679.74-26,129.92

Finding the Fourth Proportional to 51,071.98, 76,679.74 and 26,129.92

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Solution

The fourth proportional to 51,071.98, 76,679.74 and 26,129.92 is: 39,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.98 : 76,679.74 = 26,129.92 : x
  2. Step 2: Convert to fraction form
    51,071.98/76,679.74 = 26,129.92/x
  3. Step 3: Cross multiply
    51,071.98x = 76,679.74 × 26,129.92
  4. Step 4: Simplify right side
    51,071.98x = 2,003,635,471.82
  5. Step 5: Solve for x
    x = 2,003,635,471.82/51,071.98
  6. Step 6: Final answer
    x = 39,231.60

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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.