Home / 35,778.04-49,372.95-19,861.54

Finding the Fourth Proportional to 35,778.04, 49,372.95 and 19,861.54

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Solution

The fourth proportional to 35,778.04, 49,372.95 and 19,861.54 is: 27,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.04 : 49,372.95 = 19,861.54 : x
  2. Step 2: Convert to fraction form
    35,778.04/49,372.95 = 19,861.54/x
  3. Step 3: Cross multiply
    35,778.04x = 49,372.95 × 19,861.54
  4. Step 4: Simplify right side
    35,778.04x = 980,622,821.34
  5. Step 5: Solve for x
    x = 980,622,821.34/35,778.04
  6. Step 6: Final answer
    x = 27,408.51

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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.