Home / 47,401.92-65,415.06-26,181.54

Finding the Fourth Proportional to 47,401.92, 65,415.06 and 26,181.54

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Solution

The fourth proportional to 47,401.92, 65,415.06 and 26,181.54 is: 36,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,401.92 : 65,415.06 = 26,181.54 : x
  2. Step 2: Convert to fraction form
    47,401.92/65,415.06 = 26,181.54/x
  3. Step 3: Cross multiply
    47,401.92x = 65,415.06 × 26,181.54
  4. Step 4: Simplify right side
    47,401.92x = 1,712,667,009.99
  5. Step 5: Solve for x
    x = 1,712,667,009.99/47,401.92
  6. Step 6: Final answer
    x = 36,130.75

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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.