Home / 30,208.84-41,687.67-16,779.58

Finding the Fourth Proportional to 30,208.84, 41,687.67 and 16,779.58

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Solution

The fourth proportional to 30,208.84, 41,687.67 and 16,779.58 is: 23,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.84 : 41,687.67 = 16,779.58 : x
  2. Step 2: Convert to fraction form
    30,208.84/41,687.67 = 16,779.58/x
  3. Step 3: Cross multiply
    30,208.84x = 41,687.67 × 16,779.58
  4. Step 4: Simplify right side
    30,208.84x = 699,501,593.78
  5. Step 5: Solve for x
    x = 699,501,593.78/30,208.84
  6. Step 6: Final answer
    x = 23,155.53

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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.