Home / 35,891.56-53,846.34-21,112.84

Finding the Fourth Proportional to 35,891.56, 53,846.34 and 21,112.84

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Solution

The fourth proportional to 35,891.56, 53,846.34 and 21,112.84 is: 31,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.56 : 53,846.34 = 21,112.84 : x
  2. Step 2: Convert to fraction form
    35,891.56/53,846.34 = 21,112.84/x
  3. Step 3: Cross multiply
    35,891.56x = 53,846.34 × 21,112.84
  4. Step 4: Simplify right side
    35,891.56x = 1,136,849,161.01
  5. Step 5: Solve for x
    x = 1,136,849,161.01/35,891.56
  6. Step 6: Final answer
    x = 31,674.55

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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.