Home / 30,077.70-41,506.98-16,648.98

Finding the Fourth Proportional to 30,077.70, 41,506.98 and 16,648.98

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Solution

The fourth proportional to 30,077.70, 41,506.98 and 16,648.98 is: 22,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,077.70 : 41,506.98 = 16,648.98 : x
  2. Step 2: Convert to fraction form
    30,077.70/41,506.98 = 16,648.98/x
  3. Step 3: Cross multiply
    30,077.70x = 41,506.98 × 16,648.98
  4. Step 4: Simplify right side
    30,077.70x = 691,048,879.88
  5. Step 5: Solve for x
    x = 691,048,879.88/30,077.70
  6. Step 6: Final answer
    x = 22,975.46

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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.