Home / 31,872.06-43,983.48-17,724.90

Finding the Fourth Proportional to 31,872.06, 43,983.48 and 17,724.90

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Solution

The fourth proportional to 31,872.06, 43,983.48 and 17,724.90 is: 24,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.06 : 43,983.48 = 17,724.90 : x
  2. Step 2: Convert to fraction form
    31,872.06/43,983.48 = 17,724.90/x
  3. Step 3: Cross multiply
    31,872.06x = 43,983.48 × 17,724.90
  4. Step 4: Simplify right side
    31,872.06x = 779,602,784.65
  5. Step 5: Solve for x
    x = 779,602,784.65/31,872.06
  6. Step 6: Final answer
    x = 24,460.39

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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.