Home / 30,859.46-46,279.60-11,135.45

Finding the Fourth Proportional to 30,859.46, 46,279.60 and 11,135.45

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Solution

The fourth proportional to 30,859.46, 46,279.60 and 11,135.45 is: 16,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.46 : 46,279.60 = 11,135.45 : x
  2. Step 2: Convert to fraction form
    30,859.46/46,279.60 = 11,135.45/x
  3. Step 3: Cross multiply
    30,859.46x = 46,279.60 × 11,135.45
  4. Step 4: Simplify right side
    30,859.46x = 515,344,171.82
  5. Step 5: Solve for x
    x = 515,344,171.82/30,859.46
  6. Step 6: Final answer
    x = 16,699.71

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1.5x scale

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.