Home / 53,976.56-74,485.32-39,824.24

Finding the Fourth Proportional to 53,976.56, 74,485.32 and 39,824.24

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Solution

The fourth proportional to 53,976.56, 74,485.32 and 39,824.24 is: 54,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.56 : 74,485.32 = 39,824.24 : x
  2. Step 2: Convert to fraction form
    53,976.56/74,485.32 = 39,824.24/x
  3. Step 3: Cross multiply
    53,976.56x = 74,485.32 × 39,824.24
  4. Step 4: Simplify right side
    53,976.56x = 2,966,321,260.16
  5. Step 5: Solve for x
    x = 2,966,321,260.16/53,976.56
  6. Step 6: Final answer
    x = 54,955.73

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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.