Home / 30,379.23-41,922.35-16,581.03

Finding the Fourth Proportional to 30,379.23, 41,922.35 and 16,581.03

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Solution

The fourth proportional to 30,379.23, 41,922.35 and 16,581.03 is: 22,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.23 : 41,922.35 = 16,581.03 : x
  2. Step 2: Convert to fraction form
    30,379.23/41,922.35 = 16,581.03/x
  3. Step 3: Cross multiply
    30,379.23x = 41,922.35 × 16,581.03
  4. Step 4: Simplify right side
    30,379.23x = 695,115,450.50
  5. Step 5: Solve for x
    x = 695,115,450.50/30,379.23
  6. Step 6: Final answer
    x = 22,881.28

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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.