Home / 30,072.74-41,495.22-19,319.99

Finding the Fourth Proportional to 30,072.74, 41,495.22 and 19,319.99

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Solution

The fourth proportional to 30,072.74, 41,495.22 and 19,319.99 is: 26,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.74 : 41,495.22 = 19,319.99 : x
  2. Step 2: Convert to fraction form
    30,072.74/41,495.22 = 19,319.99/x
  3. Step 3: Cross multiply
    30,072.74x = 41,495.22 × 19,319.99
  4. Step 4: Simplify right side
    30,072.74x = 801,687,027.97
  5. Step 5: Solve for x
    x = 801,687,027.97/30,072.74
  6. Step 6: Final answer
    x = 26,658.27

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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.