Home / 64,935.09-97,406.34-18,191.61

Finding the Fourth Proportional to 64,935.09, 97,406.34 and 18,191.61

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Solution

The fourth proportional to 64,935.09, 97,406.34 and 18,191.61 is: 27,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935.09 : 97,406.34 = 18,191.61 : x
  2. Step 2: Convert to fraction form
    64,935.09/97,406.34 = 18,191.61/x
  3. Step 3: Cross multiply
    64,935.09x = 97,406.34 × 18,191.61
  4. Step 4: Simplify right side
    64,935.09x = 1,771,978,148.81
  5. Step 5: Solve for x
    x = 1,771,978,148.81/64,935.09
  6. Step 6: Final answer
    x = 27,288.45

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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.