Home / 39,034.51-53,867.63-23,120.03

Finding the Fourth Proportional to 39,034.51, 53,867.63 and 23,120.03

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Solution

The fourth proportional to 39,034.51, 53,867.63 and 23,120.03 is: 31,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.51 : 53,867.63 = 23,120.03 : x
  2. Step 2: Convert to fraction form
    39,034.51/53,867.63 = 23,120.03/x
  3. Step 3: Cross multiply
    39,034.51x = 53,867.63 × 23,120.03
  4. Step 4: Simplify right side
    39,034.51x = 1,245,421,414.10
  5. Step 5: Solve for x
    x = 1,245,421,414.10/39,034.51
  6. Step 6: Final answer
    x = 31,905.65

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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.