Home / 48,014.20-71,999.70-18,422.20

Finding the Fourth Proportional to 48,014.20, 71,999.70 and 18,422.20

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Solution

The fourth proportional to 48,014.20, 71,999.70 and 18,422.20 is: 27,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,014.20 : 71,999.70 = 18,422.20 : x
  2. Step 2: Convert to fraction form
    48,014.20/71,999.70 = 18,422.20/x
  3. Step 3: Cross multiply
    48,014.20x = 71,999.70 × 18,422.20
  4. Step 4: Simplify right side
    48,014.20x = 1,326,392,873.34
  5. Step 5: Solve for x
    x = 1,326,392,873.34/48,014.20
  6. Step 6: Final answer
    x = 27,625.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.