Home / 36,647.56-54,971.34-21,055.24

Finding the Fourth Proportional to 36,647.56, 54,971.34 and 21,055.24

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Solution

The fourth proportional to 36,647.56, 54,971.34 and 21,055.24 is: 31,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647.56 : 54,971.34 = 21,055.24 : x
  2. Step 2: Convert to fraction form
    36,647.56/54,971.34 = 21,055.24/x
  3. Step 3: Cross multiply
    36,647.56x = 54,971.34 × 21,055.24
  4. Step 4: Simplify right side
    36,647.56x = 1,157,434,756.82
  5. Step 5: Solve for x
    x = 1,157,434,756.82/36,647.56
  6. Step 6: Final answer
    x = 31,582.86

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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.