Home / 37,442.81-56,145.43-12,474.08

Finding the Fourth Proportional to 37,442.81, 56,145.43 and 12,474.08

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Solution

The fourth proportional to 37,442.81, 56,145.43 and 12,474.08 is: 18,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.81 : 56,145.43 = 12,474.08 : x
  2. Step 2: Convert to fraction form
    37,442.81/56,145.43 = 12,474.08/x
  3. Step 3: Cross multiply
    37,442.81x = 56,145.43 × 12,474.08
  4. Step 4: Simplify right side
    37,442.81x = 700,362,585.45
  5. Step 5: Solve for x
    x = 700,362,585.45/37,442.81
  6. Step 6: Final answer
    x = 18,704.86

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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.