Home / 55,015.82-75,921.56-29,865.32

Finding the Fourth Proportional to 55,015.82, 75,921.56 and 29,865.32

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Solution

The fourth proportional to 55,015.82, 75,921.56 and 29,865.32 is: 41,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015.82 : 75,921.56 = 29,865.32 : x
  2. Step 2: Convert to fraction form
    55,015.82/75,921.56 = 29,865.32/x
  3. Step 3: Cross multiply
    55,015.82x = 75,921.56 × 29,865.32
  4. Step 4: Simplify right side
    55,015.82x = 2,267,421,684.30
  5. Step 5: Solve for x
    x = 2,267,421,684.30/55,015.82
  6. Step 6: Final answer
    x = 41,213.99

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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.