Home / 36,840.96-55,218.63-21,057.06

Finding the Fourth Proportional to 36,840.96, 55,218.63 and 21,057.06

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Solution

The fourth proportional to 36,840.96, 55,218.63 and 21,057.06 is: 31,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.96 : 55,218.63 = 21,057.06 : x
  2. Step 2: Convert to fraction form
    36,840.96/55,218.63 = 21,057.06/x
  3. Step 3: Cross multiply
    36,840.96x = 55,218.63 × 21,057.06
  4. Step 4: Simplify right side
    36,840.96x = 1,162,742,005.03
  5. Step 5: Solve for x
    x = 1,162,742,005.03/36,840.96
  6. Step 6: Final answer
    x = 31,561.12

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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.