Home / 51,703.91-71,340.32-30,183.89

Finding the Fourth Proportional to 51,703.91, 71,340.32 and 30,183.89

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Solution

The fourth proportional to 51,703.91, 71,340.32 and 30,183.89 is: 41,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,703.91 : 71,340.32 = 30,183.89 : x
  2. Step 2: Convert to fraction form
    51,703.91/71,340.32 = 30,183.89/x
  3. Step 3: Cross multiply
    51,703.91x = 71,340.32 × 30,183.89
  4. Step 4: Simplify right side
    51,703.91x = 2,153,327,863.82
  5. Step 5: Solve for x
    x = 2,153,327,863.82/51,703.91
  6. Step 6: Final answer
    x = 41,647.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.