Home / 30,253.35-41,745.69-16,821.93

Finding the Fourth Proportional to 30,253.35, 41,745.69 and 16,821.93

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Solution

The fourth proportional to 30,253.35, 41,745.69 and 16,821.93 is: 23,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.35 : 41,745.69 = 16,821.93 : x
  2. Step 2: Convert to fraction form
    30,253.35/41,745.69 = 16,821.93/x
  3. Step 3: Cross multiply
    30,253.35x = 41,745.69 × 16,821.93
  4. Step 4: Simplify right side
    30,253.35x = 702,243,074.98
  5. Step 5: Solve for x
    x = 702,243,074.98/30,253.35
  6. Step 6: Final answer
    x = 23,212.08

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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.