Home / 54,955.32-82,439.58-19,409.34

Finding the Fourth Proportional to 54,955.32, 82,439.58 and 19,409.34

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Solution

The fourth proportional to 54,955.32, 82,439.58 and 19,409.34 is: 29,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,955.32 : 82,439.58 = 19,409.34 : x
  2. Step 2: Convert to fraction form
    54,955.32/82,439.58 = 19,409.34/x
  3. Step 3: Cross multiply
    54,955.32x = 82,439.58 × 19,409.34
  4. Step 4: Simplify right side
    54,955.32x = 1,600,097,837.68
  5. Step 5: Solve for x
    x = 1,600,097,837.68/54,955.32
  6. Step 6: Final answer
    x = 29,116.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.