Home / 34,087.11-51,130.95-13,021.50

Finding the Fourth Proportional to 34,087.11, 51,130.95 and 13,021.50

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Solution

The fourth proportional to 34,087.11, 51,130.95 and 13,021.50 is: 19,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.11 : 51,130.95 = 13,021.50 : x
  2. Step 2: Convert to fraction form
    34,087.11/51,130.95 = 13,021.50/x
  3. Step 3: Cross multiply
    34,087.11x = 51,130.95 × 13,021.50
  4. Step 4: Simplify right side
    34,087.11x = 665,801,665.43
  5. Step 5: Solve for x
    x = 665,801,665.43/34,087.11
  6. Step 6: Final answer
    x = 19,532.36

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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.