Home / 36,999.60-51,058.36-20,231.52

Finding the Fourth Proportional to 36,999.60, 51,058.36 and 20,231.52

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Solution

The fourth proportional to 36,999.60, 51,058.36 and 20,231.52 is: 27,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,999.60 : 51,058.36 = 20,231.52 : x
  2. Step 2: Convert to fraction form
    36,999.60/51,058.36 = 20,231.52/x
  3. Step 3: Cross multiply
    36,999.60x = 51,058.36 × 20,231.52
  4. Step 4: Simplify right side
    36,999.60x = 1,032,988,231.51
  5. Step 5: Solve for x
    x = 1,032,988,231.51/36,999.60
  6. Step 6: Final answer
    x = 27,918.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.