Home / 36,100.54-54,128.25-13,887.45

Finding the Fourth Proportional to 36,100.54, 54,128.25 and 13,887.45

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Solution

The fourth proportional to 36,100.54, 54,128.25 and 13,887.45 is: 20,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.54 : 54,128.25 = 13,887.45 : x
  2. Step 2: Convert to fraction form
    36,100.54/54,128.25 = 13,887.45/x
  3. Step 3: Cross multiply
    36,100.54x = 54,128.25 × 13,887.45
  4. Step 4: Simplify right side
    36,100.54x = 751,703,365.46
  5. Step 5: Solve for x
    x = 751,703,365.46/36,100.54
  6. Step 6: Final answer
    x = 20,822.50

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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.