Home / 55,047.46-75,965.43-29,896.78

Finding the Fourth Proportional to 55,047.46, 75,965.43 and 29,896.78

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Solution

The fourth proportional to 55,047.46, 75,965.43 and 29,896.78 is: 41,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.46 : 75,965.43 = 29,896.78 : x
  2. Step 2: Convert to fraction form
    55,047.46/75,965.43 = 29,896.78/x
  3. Step 3: Cross multiply
    55,047.46x = 75,965.43 × 29,896.78
  4. Step 4: Simplify right side
    55,047.46x = 2,271,121,748.32
  5. Step 5: Solve for x
    x = 2,271,121,748.32/55,047.46
  6. Step 6: Final answer
    x = 41,257.52

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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.