Home / 52,470.37-78,676.39-21,269.17

Finding the Fourth Proportional to 52,470.37, 78,676.39 and 21,269.17

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Solution

The fourth proportional to 52,470.37, 78,676.39 and 21,269.17 is: 31,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,470.37 : 78,676.39 = 21,269.17 : x
  2. Step 2: Convert to fraction form
    52,470.37/78,676.39 = 21,269.17/x
  3. Step 3: Cross multiply
    52,470.37x = 78,676.39 × 21,269.17
  4. Step 4: Simplify right side
    52,470.37x = 1,673,381,513.90
  5. Step 5: Solve for x
    x = 1,673,381,513.90/52,470.37
  6. Step 6: Final answer
    x = 31,891.93

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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.