Home / 56,944.58-85,388.20-18,980.40

Finding the Fourth Proportional to 56,944.58, 85,388.20 and 18,980.40

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Solution

The fourth proportional to 56,944.58, 85,388.20 and 18,980.40 is: 28,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,944.58 : 85,388.20 = 18,980.40 : x
  2. Step 2: Convert to fraction form
    56,944.58/85,388.20 = 18,980.40/x
  3. Step 3: Cross multiply
    56,944.58x = 85,388.20 × 18,980.40
  4. Step 4: Simplify right side
    56,944.58x = 1,620,702,191.28
  5. Step 5: Solve for x
    x = 1,620,702,191.28/56,944.58
  6. Step 6: Final answer
    x = 28,461.04

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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.