Home / 53,853.96-74,318.44-31,194.21

Finding the Fourth Proportional to 53,853.96, 74,318.44 and 31,194.21

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Solution

The fourth proportional to 53,853.96, 74,318.44 and 31,194.21 is: 43,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.96 : 74,318.44 = 31,194.21 : x
  2. Step 2: Convert to fraction form
    53,853.96/74,318.44 = 31,194.21/x
  3. Step 3: Cross multiply
    53,853.96x = 74,318.44 × 31,194.21
  4. Step 4: Simplify right side
    53,853.96x = 2,318,305,195.70
  5. Step 5: Solve for x
    x = 2,318,305,195.70/53,853.96
  6. Step 6: Final answer
    x = 43,048.00

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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.