Home / 64,760.48-97,145.84-18,013.20

Finding the Fourth Proportional to 64,760.48, 97,145.84 and 18,013.20

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Solution

The fourth proportional to 64,760.48, 97,145.84 and 18,013.20 is: 27,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.48 : 97,145.84 = 18,013.20 : x
  2. Step 2: Convert to fraction form
    64,760.48/97,145.84 = 18,013.20/x
  3. Step 3: Cross multiply
    64,760.48x = 97,145.84 × 18,013.20
  4. Step 4: Simplify right side
    64,760.48x = 1,749,907,445.09
  5. Step 5: Solve for x
    x = 1,749,907,445.09/64,760.48
  6. Step 6: Final answer
    x = 27,021.22

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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.