Home / 64,881.09-97,313.22-20,512.32

Finding the Fourth Proportional to 64,881.09, 97,313.22 and 20,512.32

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Solution

The fourth proportional to 64,881.09, 97,313.22 and 20,512.32 is: 30,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.09 : 97,313.22 = 20,512.32 : x
  2. Step 2: Convert to fraction form
    64,881.09/97,313.22 = 20,512.32/x
  3. Step 3: Cross multiply
    64,881.09x = 97,313.22 × 20,512.32
  4. Step 4: Simplify right side
    64,881.09x = 1,996,119,908.87
  5. Step 5: Solve for x
    x = 1,996,119,908.87/64,881.09
  6. Step 6: Final answer
    x = 30,765.82

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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.