Home / 39,583.35-54,625.05-21,678.37

Finding the Fourth Proportional to 39,583.35, 54,625.05 and 21,678.37

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Solution

The fourth proportional to 39,583.35, 54,625.05 and 21,678.37 is: 29,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,583.35 : 54,625.05 = 21,678.37 : x
  2. Step 2: Convert to fraction form
    39,583.35/54,625.05 = 21,678.37/x
  3. Step 3: Cross multiply
    39,583.35x = 54,625.05 × 21,678.37
  4. Step 4: Simplify right side
    39,583.35x = 1,184,181,908.61
  5. Step 5: Solve for x
    x = 1,184,181,908.61/39,583.35
  6. Step 6: Final answer
    x = 29,916.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.