Home / 34,290.55-51,418.81-10,913.95

Finding the Fourth Proportional to 34,290.55, 51,418.81 and 10,913.95

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Solution

The fourth proportional to 34,290.55, 51,418.81 and 10,913.95 is: 16,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.55 : 51,418.81 = 10,913.95 : x
  2. Step 2: Convert to fraction form
    34,290.55/51,418.81 = 10,913.95/x
  3. Step 3: Cross multiply
    34,290.55x = 51,418.81 × 10,913.95
  4. Step 4: Simplify right side
    34,290.55x = 561,182,321.40
  5. Step 5: Solve for x
    x = 561,182,321.40/34,290.55
  6. Step 6: Final answer
    x = 16,365.51

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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.