Home / 30,289.55-41,805.32-20,062.49

Finding the Fourth Proportional to 30,289.55, 41,805.32 and 20,062.49

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Solution

The fourth proportional to 30,289.55, 41,805.32 and 20,062.49 is: 27,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.55 : 41,805.32 = 20,062.49 : x
  2. Step 2: Convert to fraction form
    30,289.55/41,805.32 = 20,062.49/x
  3. Step 3: Cross multiply
    30,289.55x = 41,805.32 × 20,062.49
  4. Step 4: Simplify right side
    30,289.55x = 838,718,505.11
  5. Step 5: Solve for x
    x = 838,718,505.11/30,289.55
  6. Step 6: Final answer
    x = 27,690.03

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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.