Home / 51,726.20-77,597.94-18,438.44

Finding the Fourth Proportional to 51,726.20, 77,597.94 and 18,438.44

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Solution

The fourth proportional to 51,726.20, 77,597.94 and 18,438.44 is: 27,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.20 : 77,597.94 = 18,438.44 : x
  2. Step 2: Convert to fraction form
    51,726.20/77,597.94 = 18,438.44/x
  3. Step 3: Cross multiply
    51,726.20x = 77,597.94 × 18,438.44
  4. Step 4: Simplify right side
    51,726.20x = 1,430,784,960.81
  5. Step 5: Solve for x
    x = 1,430,784,960.81/51,726.20
  6. Step 6: Final answer
    x = 27,660.74

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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.