Home / 54,935.40-82,392.30-17,999.40

Finding the Fourth Proportional to 54,935.40, 82,392.30 and 17,999.40

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Solution

The fourth proportional to 54,935.40, 82,392.30 and 17,999.40 is: 26,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.40 : 82,392.30 = 17,999.40 : x
  2. Step 2: Convert to fraction form
    54,935.40/82,392.30 = 17,999.40/x
  3. Step 3: Cross multiply
    54,935.40x = 82,392.30 × 17,999.40
  4. Step 4: Simplify right side
    54,935.40x = 1,483,011,964.62
  5. Step 5: Solve for x
    x = 1,483,011,964.62/54,935.40
  6. Step 6: Final answer
    x = 26,995.56

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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.