Home / 30,965.09-46,435.74-13,184.47

Finding the Fourth Proportional to 30,965.09, 46,435.74 and 13,184.47

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Solution

The fourth proportional to 30,965.09, 46,435.74 and 13,184.47 is: 19,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965.09 : 46,435.74 = 13,184.47 : x
  2. Step 2: Convert to fraction form
    30,965.09/46,435.74 = 13,184.47/x
  3. Step 3: Cross multiply
    30,965.09x = 46,435.74 × 13,184.47
  4. Step 4: Simplify right side
    30,965.09x = 612,230,679.00
  5. Step 5: Solve for x
    x = 612,230,679.00/30,965.09
  6. Step 6: Final answer
    x = 19,771.65

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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.