Home / 51,188.31-76,783.86-19,613.43

Finding the Fourth Proportional to 51,188.31, 76,783.86 and 19,613.43

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Solution

The fourth proportional to 51,188.31, 76,783.86 and 19,613.43 is: 29,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.31 : 76,783.86 = 19,613.43 : x
  2. Step 2: Convert to fraction form
    51,188.31/76,783.86 = 19,613.43/x
  3. Step 3: Cross multiply
    51,188.31x = 76,783.86 × 19,613.43
  4. Step 4: Simplify right side
    51,188.31x = 1,505,994,863.24
  5. Step 5: Solve for x
    x = 1,505,994,863.24/51,188.31
  6. Step 6: Final answer
    x = 29,420.68

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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.