Home / 53,905.52-74,391.18-31,244.60

Finding the Fourth Proportional to 53,905.52, 74,391.18 and 31,244.60

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Solution

The fourth proportional to 53,905.52, 74,391.18 and 31,244.60 is: 43,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.52 : 74,391.18 = 31,244.60 : x
  2. Step 2: Convert to fraction form
    53,905.52/74,391.18 = 31,244.60/x
  3. Step 3: Cross multiply
    53,905.52x = 74,391.18 × 31,244.60
  4. Step 4: Simplify right side
    53,905.52x = 2,324,322,662.63
  5. Step 5: Solve for x
    x = 2,324,322,662.63/53,905.52
  6. Step 6: Final answer
    x = 43,118.45

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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.