Home / 38,849.56-53,610.70-21,853.50

Finding the Fourth Proportional to 38,849.56, 53,610.70 and 21,853.50

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Solution

The fourth proportional to 38,849.56, 53,610.70 and 21,853.50 is: 30,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,849.56 : 53,610.70 = 21,853.50 : x
  2. Step 2: Convert to fraction form
    38,849.56/53,610.70 = 21,853.50/x
  3. Step 3: Cross multiply
    38,849.56x = 53,610.70 × 21,853.50
  4. Step 4: Simplify right side
    38,849.56x = 1,171,581,432.45
  5. Step 5: Solve for x
    x = 1,171,581,432.45/38,849.56
  6. Step 6: Final answer
    x = 30,156.88

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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.