Home / 47,480.75-71,194.84-19,420.51

Finding the Fourth Proportional to 47,480.75, 71,194.84 and 19,420.51

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Solution

The fourth proportional to 47,480.75, 71,194.84 and 19,420.51 is: 29,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.75 : 71,194.84 = 19,420.51 : x
  2. Step 2: Convert to fraction form
    47,480.75/71,194.84 = 19,420.51/x
  3. Step 3: Cross multiply
    47,480.75x = 71,194.84 × 19,420.51
  4. Step 4: Simplify right side
    47,480.75x = 1,382,640,005.07
  5. Step 5: Solve for x
    x = 1,382,640,005.07/47,480.75
  6. Step 6: Final answer
    x = 29,120.01

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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.