Home / 30,030.81-41,443.68-19,941.85

Finding the Fourth Proportional to 30,030.81, 41,443.68 and 19,941.85

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Solution

The fourth proportional to 30,030.81, 41,443.68 and 19,941.85 is: 27,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.81 : 41,443.68 = 19,941.85 : x
  2. Step 2: Convert to fraction form
    30,030.81/41,443.68 = 19,941.85/x
  3. Step 3: Cross multiply
    30,030.81x = 41,443.68 × 19,941.85
  4. Step 4: Simplify right side
    30,030.81x = 826,463,650.01
  5. Step 5: Solve for x
    x = 826,463,650.01/30,030.81
  6. Step 6: Final answer
    x = 27,520.53

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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.