Home / 36,147.96-54,238.44-21,385.80

Finding the Fourth Proportional to 36,147.96, 54,238.44 and 21,385.80

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Solution

The fourth proportional to 36,147.96, 54,238.44 and 21,385.80 is: 32,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.96 : 54,238.44 = 21,385.80 : x
  2. Step 2: Convert to fraction form
    36,147.96/54,238.44 = 21,385.80/x
  3. Step 3: Cross multiply
    36,147.96x = 54,238.44 × 21,385.80
  4. Step 4: Simplify right side
    36,147.96x = 1,159,932,430.15
  5. Step 5: Solve for x
    x = 1,159,932,430.15/36,147.96
  6. Step 6: Final answer
    x = 32,088.46

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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.