Home / 37,270.53-55,907.55-12,312.81

Finding the Fourth Proportional to 37,270.53, 55,907.55 and 12,312.81

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Solution

The fourth proportional to 37,270.53, 55,907.55 and 12,312.81 is: 18,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.53 : 55,907.55 = 12,312.81 : x
  2. Step 2: Convert to fraction form
    37,270.53/55,907.55 = 12,312.81/x
  3. Step 3: Cross multiply
    37,270.53x = 55,907.55 × 12,312.81
  4. Step 4: Simplify right side
    37,270.53x = 688,379,040.72
  5. Step 5: Solve for x
    x = 688,379,040.72/37,270.53
  6. Step 6: Final answer
    x = 18,469.79

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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.