Home / 36,612.36-54,918.54-13,238.28

Finding the Fourth Proportional to 36,612.36, 54,918.54 and 13,238.28

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Solution

The fourth proportional to 36,612.36, 54,918.54 and 13,238.28 is: 19,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612.36 : 54,918.54 = 13,238.28 : x
  2. Step 2: Convert to fraction form
    36,612.36/54,918.54 = 13,238.28/x
  3. Step 3: Cross multiply
    36,612.36x = 54,918.54 × 13,238.28
  4. Step 4: Simplify right side
    36,612.36x = 727,027,009.71
  5. Step 5: Solve for x
    x = 727,027,009.71/36,612.36
  6. Step 6: Final answer
    x = 19,857.42

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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.