Home / 51,826.38-77,740-14,389.37

Finding the Fourth Proportional to 51,826.38, 77,740 and 14,389.37

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Solution

The fourth proportional to 51,826.38, 77,740 and 14,389.37 is: 21,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,826.38 : 77,740 = 14,389.37 : x
  2. Step 2: Convert to fraction form
    51,826.38/77,740 = 14,389.37/x
  3. Step 3: Cross multiply
    51,826.38x = 77,740 × 14,389.37
  4. Step 4: Simplify right side
    51,826.38x = 1,118,629,623.80
  5. Step 5: Solve for x
    x = 1,118,629,623.80/51,826.38
  6. Step 6: Final answer
    x = 21,584.17

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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.