Home / 37,935.54-56,912.16-12,975.78

Finding the Fourth Proportional to 37,935.54, 56,912.16 and 12,975.78

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Solution

The fourth proportional to 37,935.54, 56,912.16 and 12,975.78 is: 19,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,935.54 : 56,912.16 = 12,975.78 : x
  2. Step 2: Convert to fraction form
    37,935.54/56,912.16 = 12,975.78/x
  3. Step 3: Cross multiply
    37,935.54x = 56,912.16 × 12,975.78
  4. Step 4: Simplify right side
    37,935.54x = 738,479,667.48
  5. Step 5: Solve for x
    x = 738,479,667.48/37,935.54
  6. Step 6: Final answer
    x = 19,466.70

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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.