Home / 30,022.14-41,430.60-18,085.98

Finding the Fourth Proportional to 30,022.14, 41,430.60 and 18,085.98

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Solution

The fourth proportional to 30,022.14, 41,430.60 and 18,085.98 is: 24,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.14 : 41,430.60 = 18,085.98 : x
  2. Step 2: Convert to fraction form
    30,022.14/41,430.60 = 18,085.98/x
  3. Step 3: Cross multiply
    30,022.14x = 41,430.60 × 18,085.98
  4. Step 4: Simplify right side
    30,022.14x = 749,313,002.99
  5. Step 5: Solve for x
    x = 749,313,002.99/30,022.14
  6. Step 6: Final answer
    x = 24,958.68

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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.