Home / 53,940.33-74,436.59-30,065.58

Finding the Fourth Proportional to 53,940.33, 74,436.59 and 30,065.58

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Solution

The fourth proportional to 53,940.33, 74,436.59 and 30,065.58 is: 41,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.33 : 74,436.59 = 30,065.58 : x
  2. Step 2: Convert to fraction form
    53,940.33/74,436.59 = 30,065.58/x
  3. Step 3: Cross multiply
    53,940.33x = 74,436.59 × 30,065.58
  4. Step 4: Simplify right side
    53,940.33x = 2,237,979,326.74
  5. Step 5: Solve for x
    x = 2,237,979,326.74/53,940.33
  6. Step 6: Final answer
    x = 41,489.91

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1.5x scale

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.