Home / 51,817.54-77,726.34-20,674.66

Finding the Fourth Proportional to 51,817.54, 77,726.34 and 20,674.66

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Solution

The fourth proportional to 51,817.54, 77,726.34 and 20,674.66 is: 31,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.54 : 77,726.34 = 20,674.66 : x
  2. Step 2: Convert to fraction form
    51,817.54/77,726.34 = 20,674.66/x
  3. Step 3: Cross multiply
    51,817.54x = 77,726.34 × 20,674.66
  4. Step 4: Simplify right side
    51,817.54x = 1,606,965,652.54
  5. Step 5: Solve for x
    x = 1,606,965,652.54/51,817.54
  6. Step 6: Final answer
    x = 31,012.00

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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.