Home / 37,749.63-56,631.60-12,450.60

Finding the Fourth Proportional to 37,749.63, 56,631.60 and 12,450.60

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Solution

The fourth proportional to 37,749.63, 56,631.60 and 12,450.60 is: 18,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,749.63 : 56,631.60 = 12,450.60 : x
  2. Step 2: Convert to fraction form
    37,749.63/56,631.60 = 12,450.60/x
  3. Step 3: Cross multiply
    37,749.63x = 56,631.60 × 12,450.60
  4. Step 4: Simplify right side
    37,749.63x = 705,097,398.96
  5. Step 5: Solve for x
    x = 705,097,398.96/37,749.63
  6. Step 6: Final answer
    x = 18,678.26

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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.