Home / 30,859.52-46,279.70-11,135.50

Finding the Fourth Proportional to 30,859.52, 46,279.70 and 11,135.50

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Solution

The fourth proportional to 30,859.52, 46,279.70 and 11,135.50 is: 16,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.52 : 46,279.70 = 11,135.50 : x
  2. Step 2: Convert to fraction form
    30,859.52/46,279.70 = 11,135.50/x
  3. Step 3: Cross multiply
    30,859.52x = 46,279.70 × 11,135.50
  4. Step 4: Simplify right side
    30,859.52x = 515,347,599.35
  5. Step 5: Solve for x
    x = 515,347,599.35/30,859.52
  6. Step 6: Final answer
    x = 16,699.79

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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.