Home / 30,782.09-46,175.57-9,723.76

Finding the Fourth Proportional to 30,782.09, 46,175.57 and 9,723.76

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Solution

The fourth proportional to 30,782.09, 46,175.57 and 9,723.76 is: 14,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,782.09 : 46,175.57 = 9,723.76 : x
  2. Step 2: Convert to fraction form
    30,782.09/46,175.57 = 9,723.76/x
  3. Step 3: Cross multiply
    30,782.09x = 46,175.57 × 9,723.76
  4. Step 4: Simplify right side
    30,782.09x = 449,000,160.54
  5. Step 5: Solve for x
    x = 449,000,160.54/30,782.09
  6. Step 6: Final answer
    x = 14,586.41

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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.