Home / 53,651.24-80,491.21-18,590.90

Finding the Fourth Proportional to 53,651.24, 80,491.21 and 18,590.90

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Solution

The fourth proportional to 53,651.24, 80,491.21 and 18,590.90 is: 27,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.24 : 80,491.21 = 18,590.90 : x
  2. Step 2: Convert to fraction form
    53,651.24/80,491.21 = 18,590.90/x
  3. Step 3: Cross multiply
    53,651.24x = 80,491.21 × 18,590.90
  4. Step 4: Simplify right side
    53,651.24x = 1,496,403,633.53
  5. Step 5: Solve for x
    x = 1,496,403,633.53/53,651.24
  6. Step 6: Final answer
    x = 27,891.32

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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.