Home / 38,455.38-53,062.07-25,688.09

Finding the Fourth Proportional to 38,455.38, 53,062.07 and 25,688.09

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Solution

The fourth proportional to 38,455.38, 53,062.07 and 25,688.09 is: 35,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.38 : 53,062.07 = 25,688.09 : x
  2. Step 2: Convert to fraction form
    38,455.38/53,062.07 = 25,688.09/x
  3. Step 3: Cross multiply
    38,455.38x = 53,062.07 × 25,688.09
  4. Step 4: Simplify right side
    38,455.38x = 1,363,062,836.00
  5. Step 5: Solve for x
    x = 1,363,062,836.00/38,455.38
  6. Step 6: Final answer
    x = 35,445.31

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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.