Home / 34,394.09-51,582.47-13,326.90

Finding the Fourth Proportional to 34,394.09, 51,582.47 and 13,326.90

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Solution

The fourth proportional to 34,394.09, 51,582.47 and 13,326.90 is: 19,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.09 : 51,582.47 = 13,326.90 : x
  2. Step 2: Convert to fraction form
    34,394.09/51,582.47 = 13,326.90/x
  3. Step 3: Cross multiply
    34,394.09x = 51,582.47 × 13,326.90
  4. Step 4: Simplify right side
    34,394.09x = 687,434,234.34
  5. Step 5: Solve for x
    x = 687,434,234.34/34,394.09
  6. Step 6: Final answer
    x = 19,986.99

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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.