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Finding the Fourth Proportional to 64,018.78, 96,053.04 and 26,569.48

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Solution

The fourth proportional to 64,018.78, 96,053.04 and 26,569.48 is: 39,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,018.78 : 96,053.04 = 26,569.48 : x
  2. Step 2: Convert to fraction form
    64,018.78/96,053.04 = 26,569.48/x
  3. Step 3: Cross multiply
    64,018.78x = 96,053.04 × 26,569.48
  4. Step 4: Simplify right side
    64,018.78x = 2,552,079,325.22
  5. Step 5: Solve for x
    x = 2,552,079,325.22/64,018.78
  6. Step 6: Final answer
    x = 39,864.54

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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.