Home / 55,997.48-83,929.44-39,038.78

Finding the Fourth Proportional to 55,997.48, 83,929.44 and 39,038.78

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Solution

The fourth proportional to 55,997.48, 83,929.44 and 39,038.78 is: 58,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997.48 : 83,929.44 = 39,038.78 : x
  2. Step 2: Convert to fraction form
    55,997.48/83,929.44 = 39,038.78/x
  3. Step 3: Cross multiply
    55,997.48x = 83,929.44 × 39,038.78
  4. Step 4: Simplify right side
    55,997.48x = 3,276,502,943.68
  5. Step 5: Solve for x
    x = 3,276,502,943.68/55,997.48
  6. Step 6: Final answer
    x = 58,511.61

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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.