Home / 64,665.18-96,997.80-17,918.07

Finding the Fourth Proportional to 64,665.18, 96,997.80 and 17,918.07

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Solution

The fourth proportional to 64,665.18, 96,997.80 and 17,918.07 is: 26,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665.18 : 96,997.80 = 17,918.07 : x
  2. Step 2: Convert to fraction form
    64,665.18/96,997.80 = 17,918.07/x
  3. Step 3: Cross multiply
    64,665.18x = 96,997.80 × 17,918.07
  4. Step 4: Simplify right side
    64,665.18x = 1,738,013,370.25
  5. Step 5: Solve for x
    x = 1,738,013,370.25/64,665.18
  6. Step 6: Final answer
    x = 26,877.11

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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.