Home / 53,895.28-74,377.80-30,021.97

Finding the Fourth Proportional to 53,895.28, 74,377.80 and 30,021.97

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Solution

The fourth proportional to 53,895.28, 74,377.80 and 30,021.97 is: 41,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.28 : 74,377.80 = 30,021.97 : x
  2. Step 2: Convert to fraction form
    53,895.28/74,377.80 = 30,021.97/x
  3. Step 3: Cross multiply
    53,895.28x = 74,377.80 × 30,021.97
  4. Step 4: Simplify right side
    53,895.28x = 2,232,968,080.27
  5. Step 5: Solve for x
    x = 2,232,968,080.27/53,895.28
  6. Step 6: Final answer
    x = 41,431.61

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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.