Home / 30,654.44-45,980.14-18,011.24

Finding the Fourth Proportional to 30,654.44, 45,980.14 and 18,011.24

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Solution

The fourth proportional to 30,654.44, 45,980.14 and 18,011.24 is: 27,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.44 : 45,980.14 = 18,011.24 : x
  2. Step 2: Convert to fraction form
    30,654.44/45,980.14 = 18,011.24/x
  3. Step 3: Cross multiply
    30,654.44x = 45,980.14 × 18,011.24
  4. Step 4: Simplify right side
    30,654.44x = 828,159,336.77
  5. Step 5: Solve for x
    x = 828,159,336.77/30,654.44
  6. Step 6: Final answer
    x = 27,015.97

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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.