Home / 36,881.12-55,268.73-21,053.32

Finding the Fourth Proportional to 36,881.12, 55,268.73 and 21,053.32

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Solution

The fourth proportional to 36,881.12, 55,268.73 and 21,053.32 is: 31,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.12 : 55,268.73 = 21,053.32 : x
  2. Step 2: Convert to fraction form
    36,881.12/55,268.73 = 21,053.32/x
  3. Step 3: Cross multiply
    36,881.12x = 55,268.73 × 21,053.32
  4. Step 4: Simplify right side
    36,881.12x = 1,163,590,120.51
  5. Step 5: Solve for x
    x = 1,163,590,120.51/36,881.12
  6. Step 6: Final answer
    x = 31,549.75

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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.