Home / 53,884.24-74,362.32-31,224

Finding the Fourth Proportional to 53,884.24, 74,362.32 and 31,224

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Solution

The fourth proportional to 53,884.24, 74,362.32 and 31,224 is: 43,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884.24 : 74,362.32 = 31,224 : x
  2. Step 2: Convert to fraction form
    53,884.24/74,362.32 = 31,224/x
  3. Step 3: Cross multiply
    53,884.24x = 74,362.32 × 31,224
  4. Step 4: Simplify right side
    53,884.24x = 2,321,889,079.68
  5. Step 5: Solve for x
    x = 2,321,889,079.68/53,884.24
  6. Step 6: Final answer
    x = 43,090.32

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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.