Home / 37,812.96-56,721.42-12,852

Finding the Fourth Proportional to 37,812.96, 56,721.42 and 12,852

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Solution

The fourth proportional to 37,812.96, 56,721.42 and 12,852 is: 19,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.96 : 56,721.42 = 12,852 : x
  2. Step 2: Convert to fraction form
    37,812.96/56,721.42 = 12,852/x
  3. Step 3: Cross multiply
    37,812.96x = 56,721.42 × 12,852
  4. Step 4: Simplify right side
    37,812.96x = 728,983,689.84
  5. Step 5: Solve for x
    x = 728,983,689.84/37,812.96
  6. Step 6: Final answer
    x = 19,278.67

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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.