Home / 20,323.39-30,484.48-5,531.83

Finding the Fourth Proportional to 20,323.39, 30,484.48 and 5,531.83

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Solution

The fourth proportional to 20,323.39, 30,484.48 and 5,531.83 is: 8,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.39 : 30,484.48 = 5,531.83 : x
  2. Step 2: Convert to fraction form
    20,323.39/30,484.48 = 5,531.83/x
  3. Step 3: Cross multiply
    20,323.39x = 30,484.48 × 5,531.83
  4. Step 4: Simplify right side
    20,323.39x = 168,634,961.00
  5. Step 5: Solve for x
    x = 168,634,961.00/20,323.39
  6. Step 6: Final answer
    x = 8,297.58

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1.5x scale

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.