Home / 53,650.94-74,021.18-30,986.96

Finding the Fourth Proportional to 53,650.94, 74,021.18 and 30,986.96

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Solution

The fourth proportional to 53,650.94, 74,021.18 and 30,986.96 is: 42,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650.94 : 74,021.18 = 30,986.96 : x
  2. Step 2: Convert to fraction form
    53,650.94/74,021.18 = 30,986.96/x
  3. Step 3: Cross multiply
    53,650.94x = 74,021.18 × 30,986.96
  4. Step 4: Simplify right side
    53,650.94x = 2,293,691,343.81
  5. Step 5: Solve for x
    x = 2,293,691,343.81/53,650.94
  6. Step 6: Final answer
    x = 42,752.12

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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.