Home / 39,364.56-54,321.30-22,368.42

Finding the Fourth Proportional to 39,364.56, 54,321.30 and 22,368.42

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Solution

The fourth proportional to 39,364.56, 54,321.30 and 22,368.42 is: 30,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.56 : 54,321.30 = 22,368.42 : x
  2. Step 2: Convert to fraction form
    39,364.56/54,321.30 = 22,368.42/x
  3. Step 3: Cross multiply
    39,364.56x = 54,321.30 × 22,368.42
  4. Step 4: Simplify right side
    39,364.56x = 1,215,081,653.35
  5. Step 5: Solve for x
    x = 1,215,081,653.35/39,364.56
  6. Step 6: Final answer
    x = 30,867.40

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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.