Home / 34,130.71-51,186.03-11,939.95

Finding the Fourth Proportional to 34,130.71, 51,186.03 and 11,939.95

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Solution

The fourth proportional to 34,130.71, 51,186.03 and 11,939.95 is: 17,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,130.71 : 51,186.03 = 11,939.95 : x
  2. Step 2: Convert to fraction form
    34,130.71/51,186.03 = 11,939.95/x
  3. Step 3: Cross multiply
    34,130.71x = 51,186.03 × 11,939.95
  4. Step 4: Simplify right side
    34,130.71x = 611,158,638.90
  5. Step 5: Solve for x
    x = 611,158,638.90/34,130.71
  6. Step 6: Final answer
    x = 17,906.41

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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.