Home / 54,051.42-81,085.77-18,992.22

Finding the Fourth Proportional to 54,051.42, 81,085.77 and 18,992.22

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Solution

The fourth proportional to 54,051.42, 81,085.77 and 18,992.22 is: 28,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,051.42 : 81,085.77 = 18,992.22 : x
  2. Step 2: Convert to fraction form
    54,051.42/81,085.77 = 18,992.22/x
  3. Step 3: Cross multiply
    54,051.42x = 81,085.77 × 18,992.22
  4. Step 4: Simplify right side
    54,051.42x = 1,539,998,782.71
  5. Step 5: Solve for x
    x = 1,539,998,782.71/54,051.42
  6. Step 6: Final answer
    x = 28,491.37

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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.