Home / 54,191.89-81,267.63-18,643.26

Finding the Fourth Proportional to 54,191.89, 81,267.63 and 18,643.26

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Solution

The fourth proportional to 54,191.89, 81,267.63 and 18,643.26 is: 27,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191.89 : 81,267.63 = 18,643.26 : x
  2. Step 2: Convert to fraction form
    54,191.89/81,267.63 = 18,643.26/x
  3. Step 3: Cross multiply
    54,191.89x = 81,267.63 × 18,643.26
  4. Step 4: Simplify right side
    54,191.89x = 1,515,093,842.95
  5. Step 5: Solve for x
    x = 1,515,093,842.95/54,191.89
  6. Step 6: Final answer
    x = 27,957.95

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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.