Home / 47,110.86-65,010.33-28,968.48

Finding the Fourth Proportional to 47,110.86, 65,010.33 and 28,968.48

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Solution

The fourth proportional to 47,110.86, 65,010.33 and 28,968.48 is: 39,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.86 : 65,010.33 = 28,968.48 : x
  2. Step 2: Convert to fraction form
    47,110.86/65,010.33 = 28,968.48/x
  3. Step 3: Cross multiply
    47,110.86x = 65,010.33 × 28,968.48
  4. Step 4: Simplify right side
    47,110.86x = 1,883,250,444.40
  5. Step 5: Solve for x
    x = 1,883,250,444.40/47,110.86
  6. Step 6: Final answer
    x = 39,974.87

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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.