Home / 37,148.65-55,721.01-12,185.41

Finding the Fourth Proportional to 37,148.65, 55,721.01 and 12,185.41

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Solution

The fourth proportional to 37,148.65, 55,721.01 and 12,185.41 is: 18,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.65 : 55,721.01 = 12,185.41 : x
  2. Step 2: Convert to fraction form
    37,148.65/55,721.01 = 12,185.41/x
  3. Step 3: Cross multiply
    37,148.65x = 55,721.01 × 12,185.41
  4. Step 4: Simplify right side
    37,148.65x = 678,983,213.16
  5. Step 5: Solve for x
    x = 678,983,213.16/37,148.65
  6. Step 6: Final answer
    x = 18,277.47

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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.