Home / 29,057.56-40,053.94-18,980.96

Finding the Fourth Proportional to 29,057.56, 40,053.94 and 18,980.96

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Solution

The fourth proportional to 29,057.56, 40,053.94 and 18,980.96 is: 26,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,057.56 : 40,053.94 = 18,980.96 : x
  2. Step 2: Convert to fraction form
    29,057.56/40,053.94 = 18,980.96/x
  3. Step 3: Cross multiply
    29,057.56x = 40,053.94 × 18,980.96
  4. Step 4: Simplify right side
    29,057.56x = 760,262,232.98
  5. Step 5: Solve for x
    x = 760,262,232.98/29,057.56
  6. Step 6: Final answer
    x = 26,164.01

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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.