Home / 39,182.36-58,749.84-15,781.46

Finding the Fourth Proportional to 39,182.36, 58,749.84 and 15,781.46

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Solution

The fourth proportional to 39,182.36, 58,749.84 and 15,781.46 is: 23,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.36 : 58,749.84 = 15,781.46 : x
  2. Step 2: Convert to fraction form
    39,182.36/58,749.84 = 15,781.46/x
  3. Step 3: Cross multiply
    39,182.36x = 58,749.84 × 15,781.46
  4. Step 4: Simplify right side
    39,182.36x = 927,157,956.22
  5. Step 5: Solve for x
    x = 927,157,956.22/39,182.36
  6. Step 6: Final answer
    x = 23,662.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.