Home / 35,241.90-48,608.52-21,808.86

Finding the Fourth Proportional to 35,241.90, 48,608.52 and 21,808.86

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Solution

The fourth proportional to 35,241.90, 48,608.52 and 21,808.86 is: 30,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,241.90 : 48,608.52 = 21,808.86 : x
  2. Step 2: Convert to fraction form
    35,241.90/48,608.52 = 21,808.86/x
  3. Step 3: Cross multiply
    35,241.90x = 48,608.52 × 21,808.86
  4. Step 4: Simplify right side
    35,241.90x = 1,060,096,407.49
  5. Step 5: Solve for x
    x = 1,060,096,407.49/35,241.90
  6. Step 6: Final answer
    x = 30,080.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.