Home / 53,447.82-80,102.34-21,820.86

Finding the Fourth Proportional to 53,447.82, 80,102.34 and 21,820.86

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Solution

The fourth proportional to 53,447.82, 80,102.34 and 21,820.86 is: 32,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447.82 : 80,102.34 = 21,820.86 : x
  2. Step 2: Convert to fraction form
    53,447.82/80,102.34 = 21,820.86/x
  3. Step 3: Cross multiply
    53,447.82x = 80,102.34 × 21,820.86
  4. Step 4: Simplify right side
    53,447.82x = 1,747,901,946.81
  5. Step 5: Solve for x
    x = 1,747,901,946.81/53,447.82
  6. Step 6: Final answer
    x = 32,702.96

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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.