Home / 51,204.36-76,804.11-17,931.87

Finding the Fourth Proportional to 51,204.36, 76,804.11 and 17,931.87

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Solution

The fourth proportional to 51,204.36, 76,804.11 and 17,931.87 is: 26,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.36 : 76,804.11 = 17,931.87 : x
  2. Step 2: Convert to fraction form
    51,204.36/76,804.11 = 17,931.87/x
  3. Step 3: Cross multiply
    51,204.36x = 76,804.11 × 17,931.87
  4. Step 4: Simplify right side
    51,204.36x = 1,377,241,315.99
  5. Step 5: Solve for x
    x = 1,377,241,315.99/51,204.36
  6. Step 6: Final answer
    x = 26,896.95

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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.