Home / 53,940.80-74,429.28-30,062.24

Finding the Fourth Proportional to 53,940.80, 74,429.28 and 30,062.24

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Solution

The fourth proportional to 53,940.80, 74,429.28 and 30,062.24 is: 41,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.80 : 74,429.28 = 30,062.24 : x
  2. Step 2: Convert to fraction form
    53,940.80/74,429.28 = 30,062.24/x
  3. Step 3: Cross multiply
    53,940.80x = 74,429.28 × 30,062.24
  4. Step 4: Simplify right side
    53,940.80x = 2,237,510,878.39
  5. Step 5: Solve for x
    x = 2,237,510,878.39/53,940.80
  6. Step 6: Final answer
    x = 41,480.86

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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.