Home / 64,670.14-89,245.37-35,991.01

Finding the Fourth Proportional to 64,670.14, 89,245.37 and 35,991.01

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Solution

The fourth proportional to 64,670.14, 89,245.37 and 35,991.01 is: 49,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,670.14 : 89,245.37 = 35,991.01 : x
  2. Step 2: Convert to fraction form
    64,670.14/89,245.37 = 35,991.01/x
  3. Step 3: Cross multiply
    64,670.14x = 89,245.37 × 35,991.01
  4. Step 4: Simplify right side
    64,670.14x = 3,212,031,004.12
  5. Step 5: Solve for x
    x = 3,212,031,004.12/64,670.14
  6. Step 6: Final answer
    x = 49,667.91

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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.