Home / 30,763.91-46,131.42-18,285.59

Finding the Fourth Proportional to 30,763.91, 46,131.42 and 18,285.59

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Solution

The fourth proportional to 30,763.91, 46,131.42 and 18,285.59 is: 27,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.91 : 46,131.42 = 18,285.59 : x
  2. Step 2: Convert to fraction form
    30,763.91/46,131.42 = 18,285.59/x
  3. Step 3: Cross multiply
    30,763.91x = 46,131.42 × 18,285.59
  4. Step 4: Simplify right side
    30,763.91x = 843,540,232.24
  5. Step 5: Solve for x
    x = 843,540,232.24/30,763.91
  6. Step 6: Final answer
    x = 27,419.80

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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.