Home / 53,629.10-74,009.52-29,431.11

Finding the Fourth Proportional to 53,629.10, 74,009.52 and 29,431.11

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Solution

The fourth proportional to 53,629.10, 74,009.52 and 29,431.11 is: 40,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.10 : 74,009.52 = 29,431.11 : x
  2. Step 2: Convert to fraction form
    53,629.10/74,009.52 = 29,431.11/x
  3. Step 3: Cross multiply
    53,629.10x = 74,009.52 × 29,431.11
  4. Step 4: Simplify right side
    53,629.10x = 2,178,182,324.17
  5. Step 5: Solve for x
    x = 2,178,182,324.17/53,629.10
  6. Step 6: Final answer
    x = 40,615.68

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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.