Home / 20,374.51-30,557.08-5,584.58

Finding the Fourth Proportional to 20,374.51, 30,557.08 and 5,584.58

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Solution

The fourth proportional to 20,374.51, 30,557.08 and 5,584.58 is: 8,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.51 : 30,557.08 = 5,584.58 : x
  2. Step 2: Convert to fraction form
    20,374.51/30,557.08 = 5,584.58/x
  3. Step 3: Cross multiply
    20,374.51x = 30,557.08 × 5,584.58
  4. Step 4: Simplify right side
    20,374.51x = 170,648,291.08
  5. Step 5: Solve for x
    x = 170,648,291.08/20,374.51
  6. Step 6: Final answer
    x = 8,375.58

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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.