Home / 40,450.47-60,678.59-12,747.75

Finding the Fourth Proportional to 40,450.47, 60,678.59 and 12,747.75

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Solution

The fourth proportional to 40,450.47, 60,678.59 and 12,747.75 is: 19,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,450.47 : 60,678.59 = 12,747.75 : x
  2. Step 2: Convert to fraction form
    40,450.47/60,678.59 = 12,747.75/x
  3. Step 3: Cross multiply
    40,450.47x = 60,678.59 × 12,747.75
  4. Step 4: Simplify right side
    40,450.47x = 773,515,431.93
  5. Step 5: Solve for x
    x = 773,515,431.93/40,450.47
  6. Step 6: Final answer
    x = 19,122.53

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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.