Home / 36,608.18-54,864.27-20,820.47

Finding the Fourth Proportional to 36,608.18, 54,864.27 and 20,820.47

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Solution

The fourth proportional to 36,608.18, 54,864.27 and 20,820.47 is: 31,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,608.18 : 54,864.27 = 20,820.47 : x
  2. Step 2: Convert to fraction form
    36,608.18/54,864.27 = 20,820.47/x
  3. Step 3: Cross multiply
    36,608.18x = 54,864.27 × 20,820.47
  4. Step 4: Simplify right side
    36,608.18x = 1,142,299,887.61
  5. Step 5: Solve for x
    x = 1,142,299,887.61/36,608.18
  6. Step 6: Final answer
    x = 31,203.41

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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.