Home / 30,262.80-41,751.90-18,946.43

Finding the Fourth Proportional to 30,262.80, 41,751.90 and 18,946.43

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Solution

The fourth proportional to 30,262.80, 41,751.90 and 18,946.43 is: 26,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.80 : 41,751.90 = 18,946.43 : x
  2. Step 2: Convert to fraction form
    30,262.80/41,751.90 = 18,946.43/x
  3. Step 3: Cross multiply
    30,262.80x = 41,751.90 × 18,946.43
  4. Step 4: Simplify right side
    30,262.80x = 791,049,241.96
  5. Step 5: Solve for x
    x = 791,049,241.96/30,262.80
  6. Step 6: Final answer
    x = 26,139.33

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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.