Home / 37,674.07-51,990.29-20,678.43

Finding the Fourth Proportional to 37,674.07, 51,990.29 and 20,678.43

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Solution

The fourth proportional to 37,674.07, 51,990.29 and 20,678.43 is: 28,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.07 : 51,990.29 = 20,678.43 : x
  2. Step 2: Convert to fraction form
    37,674.07/51,990.29 = 20,678.43/x
  3. Step 3: Cross multiply
    37,674.07x = 51,990.29 × 20,678.43
  4. Step 4: Simplify right side
    37,674.07x = 1,075,077,572.44
  5. Step 5: Solve for x
    x = 1,075,077,572.44/37,674.07
  6. Step 6: Final answer
    x = 28,536.27

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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.