Home / 36,090.56-54,030.26-21,051.70

Finding the Fourth Proportional to 36,090.56, 54,030.26 and 21,051.70

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Solution

The fourth proportional to 36,090.56, 54,030.26 and 21,051.70 is: 31,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.56 : 54,030.26 = 21,051.70 : x
  2. Step 2: Convert to fraction form
    36,090.56/54,030.26 = 21,051.70/x
  3. Step 3: Cross multiply
    36,090.56x = 54,030.26 × 21,051.70
  4. Step 4: Simplify right side
    36,090.56x = 1,137,428,742.00
  5. Step 5: Solve for x
    x = 1,137,428,742.00/36,090.56
  6. Step 6: Final answer
    x = 31,515.96

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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.