Home / 36,981.60-51,033.42-21,069.96

Finding the Fourth Proportional to 36,981.60, 51,033.42 and 21,069.96

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Solution

The fourth proportional to 36,981.60, 51,033.42 and 21,069.96 is: 29,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.60 : 51,033.42 = 21,069.96 : x
  2. Step 2: Convert to fraction form
    36,981.60/51,033.42 = 21,069.96/x
  3. Step 3: Cross multiply
    36,981.60x = 51,033.42 × 21,069.96
  4. Step 4: Simplify right side
    36,981.60x = 1,075,272,118.06
  5. Step 5: Solve for x
    x = 1,075,272,118.06/36,981.60
  6. Step 6: Final answer
    x = 29,075.87

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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.