Home / 47,982.51-71,973.77-12,922.16

Finding the Fourth Proportional to 47,982.51, 71,973.77 and 12,922.16

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Solution

The fourth proportional to 47,982.51, 71,973.77 and 12,922.16 is: 19,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.51 : 71,973.77 = 12,922.16 : x
  2. Step 2: Convert to fraction form
    47,982.51/71,973.77 = 12,922.16/x
  3. Step 3: Cross multiply
    47,982.51x = 71,973.77 × 12,922.16
  4. Step 4: Simplify right side
    47,982.51x = 930,056,147.26
  5. Step 5: Solve for x
    x = 930,056,147.26/47,982.51
  6. Step 6: Final answer
    x = 19,383.23

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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.