Home / 52,471.37-78,677.89-21,270.17

Finding the Fourth Proportional to 52,471.37, 78,677.89 and 21,270.17

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Solution

The fourth proportional to 52,471.37, 78,677.89 and 21,270.17 is: 31,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,471.37 : 78,677.89 = 21,270.17 : x
  2. Step 2: Convert to fraction form
    52,471.37/78,677.89 = 21,270.17/x
  3. Step 3: Cross multiply
    52,471.37x = 78,677.89 × 21,270.17
  4. Step 4: Simplify right side
    52,471.37x = 1,673,492,095.54
  5. Step 5: Solve for x
    x = 1,673,492,095.54/52,471.37
  6. Step 6: Final answer
    x = 31,893.43

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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.