Home / 51,173.86-76,400.96-39,102.84

Finding the Fourth Proportional to 51,173.86, 76,400.96 and 39,102.84

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Solution

The fourth proportional to 51,173.86, 76,400.96 and 39,102.84 is: 58,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.86 : 76,400.96 = 39,102.84 : x
  2. Step 2: Convert to fraction form
    51,173.86/76,400.96 = 39,102.84/x
  3. Step 3: Cross multiply
    51,173.86x = 76,400.96 × 39,102.84
  4. Step 4: Simplify right side
    51,173.86x = 2,987,494,287.63
  5. Step 5: Solve for x
    x = 2,987,494,287.63/51,173.86
  6. Step 6: Final answer
    x = 58,379.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.