Home / 30,379.60-41,943.36-19,064.62

Finding the Fourth Proportional to 30,379.60, 41,943.36 and 19,064.62

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Solution

The fourth proportional to 30,379.60, 41,943.36 and 19,064.62 is: 26,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.60 : 41,943.36 = 19,064.62 : x
  2. Step 2: Convert to fraction form
    30,379.60/41,943.36 = 19,064.62/x
  3. Step 3: Cross multiply
    30,379.60x = 41,943.36 × 19,064.62
  4. Step 4: Simplify right side
    30,379.60x = 799,634,219.92
  5. Step 5: Solve for x
    x = 799,634,219.92/30,379.60
  6. Step 6: Final answer
    x = 26,321.42

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1.5x scale

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.