Home / 35,861.19-49,487.74-19,945.30

Finding the Fourth Proportional to 35,861.19, 49,487.74 and 19,945.30

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Solution

The fourth proportional to 35,861.19, 49,487.74 and 19,945.30 is: 27,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.19 : 49,487.74 = 19,945.30 : x
  2. Step 2: Convert to fraction form
    35,861.19/49,487.74 = 19,945.30/x
  3. Step 3: Cross multiply
    35,861.19x = 49,487.74 × 19,945.30
  4. Step 4: Simplify right side
    35,861.19x = 987,047,820.62
  5. Step 5: Solve for x
    x = 987,047,820.62/35,861.19
  6. Step 6: Final answer
    x = 27,524.12

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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.