Home / 51,584.25-77,383.25-20,412.21

Finding the Fourth Proportional to 51,584.25, 77,383.25 and 20,412.21

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Solution

The fourth proportional to 51,584.25, 77,383.25 and 20,412.21 is: 30,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,584.25 : 77,383.25 = 20,412.21 : x
  2. Step 2: Convert to fraction form
    51,584.25/77,383.25 = 20,412.21/x
  3. Step 3: Cross multiply
    51,584.25x = 77,383.25 × 20,412.21
  4. Step 4: Simplify right side
    51,584.25x = 1,579,563,047.42
  5. Step 5: Solve for x
    x = 1,579,563,047.42/51,584.25
  6. Step 6: Final answer
    x = 30,621.03

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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.