Home / 53,725.60-74,074.66-35,781.27

Finding the Fourth Proportional to 53,725.60, 74,074.66 and 35,781.27

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Solution

The fourth proportional to 53,725.60, 74,074.66 and 35,781.27 is: 49,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.60 : 74,074.66 = 35,781.27 : x
  2. Step 2: Convert to fraction form
    53,725.60/74,074.66 = 35,781.27/x
  3. Step 3: Cross multiply
    53,725.60x = 74,074.66 × 35,781.27
  4. Step 4: Simplify right side
    53,725.60x = 2,650,485,409.62
  5. Step 5: Solve for x
    x = 2,650,485,409.62/53,725.60
  6. Step 6: Final answer
    x = 49,333.75

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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.