Home / 47,531.97-65,589.61-28,407.94

Finding the Fourth Proportional to 47,531.97, 65,589.61 and 28,407.94

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Solution

The fourth proportional to 47,531.97, 65,589.61 and 28,407.94 is: 39,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531.97 : 65,589.61 = 28,407.94 : x
  2. Step 2: Convert to fraction form
    47,531.97/65,589.61 = 28,407.94/x
  3. Step 3: Cross multiply
    47,531.97x = 65,589.61 × 28,407.94
  4. Step 4: Simplify right side
    47,531.97x = 1,863,265,705.50
  5. Step 5: Solve for x
    x = 1,863,265,705.50/47,531.97
  6. Step 6: Final answer
    x = 39,200.26

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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.