Home / 38,608.38-53,303.64-29,638.02

Finding the Fourth Proportional to 38,608.38, 53,303.64 and 29,638.02

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Solution

The fourth proportional to 38,608.38, 53,303.64 and 29,638.02 is: 40,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.38 : 53,303.64 = 29,638.02 : x
  2. Step 2: Convert to fraction form
    38,608.38/53,303.64 = 29,638.02/x
  3. Step 3: Cross multiply
    38,608.38x = 53,303.64 × 29,638.02
  4. Step 4: Simplify right side
    38,608.38x = 1,579,814,348.39
  5. Step 5: Solve for x
    x = 1,579,814,348.39/38,608.38
  6. Step 6: Final answer
    x = 40,918.95

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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.