Home / 38,769.64-53,504.94-21,774.88

Finding the Fourth Proportional to 38,769.64, 53,504.94 and 21,774.88

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Solution

The fourth proportional to 38,769.64, 53,504.94 and 21,774.88 is: 30,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.64 : 53,504.94 = 21,774.88 : x
  2. Step 2: Convert to fraction form
    38,769.64/53,504.94 = 21,774.88/x
  3. Step 3: Cross multiply
    38,769.64x = 53,504.94 × 21,774.88
  4. Step 4: Simplify right side
    38,769.64x = 1,165,063,647.91
  5. Step 5: Solve for x
    x = 1,165,063,647.91/38,769.64
  6. Step 6: Final answer
    x = 30,050.93

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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.