Home / 53,894.42-74,375.62-30,021.50

Finding the Fourth Proportional to 53,894.42, 74,375.62 and 30,021.50

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Solution

The fourth proportional to 53,894.42, 74,375.62 and 30,021.50 is: 41,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.42 : 74,375.62 = 30,021.50 : x
  2. Step 2: Convert to fraction form
    53,894.42/74,375.62 = 30,021.50/x
  3. Step 3: Cross multiply
    53,894.42x = 74,375.62 × 30,021.50
  4. Step 4: Simplify right side
    53,894.42x = 2,232,867,675.83
  5. Step 5: Solve for x
    x = 2,232,867,675.83/53,894.42
  6. Step 6: Final answer
    x = 41,430.41

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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.