Home / 64,760.64-97,142.78-18,013.51

Finding the Fourth Proportional to 64,760.64, 97,142.78 and 18,013.51

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Solution

The fourth proportional to 64,760.64, 97,142.78 and 18,013.51 is: 27,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.64 : 97,142.78 = 18,013.51 : x
  2. Step 2: Convert to fraction form
    64,760.64/97,142.78 = 18,013.51/x
  3. Step 3: Cross multiply
    64,760.64x = 97,142.78 × 18,013.51
  4. Step 4: Simplify right side
    64,760.64x = 1,749,882,438.96
  5. Step 5: Solve for x
    x = 1,749,882,438.96/64,760.64
  6. Step 6: Final answer
    x = 27,020.77

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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.