Home / 36,986.40-55,461.44-21,189.04

Finding the Fourth Proportional to 36,986.40, 55,461.44 and 21,189.04

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Solution

The fourth proportional to 36,986.40, 55,461.44 and 21,189.04 is: 31,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.40 : 55,461.44 = 21,189.04 : x
  2. Step 2: Convert to fraction form
    36,986.40/55,461.44 = 21,189.04/x
  3. Step 3: Cross multiply
    36,986.40x = 55,461.44 × 21,189.04
  4. Step 4: Simplify right side
    36,986.40x = 1,175,174,670.62
  5. Step 5: Solve for x
    x = 1,175,174,670.62/36,986.40
  6. Step 6: Final answer
    x = 31,773.16

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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.