Home / 54,144.63-81,215.10-19,083.39

Finding the Fourth Proportional to 54,144.63, 81,215.10 and 19,083.39

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Solution

The fourth proportional to 54,144.63, 81,215.10 and 19,083.39 is: 28,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.63 : 81,215.10 = 19,083.39 : x
  2. Step 2: Convert to fraction form
    54,144.63/81,215.10 = 19,083.39/x
  3. Step 3: Cross multiply
    54,144.63x = 81,215.10 × 19,083.39
  4. Step 4: Simplify right side
    54,144.63x = 1,549,859,427.19
  5. Step 5: Solve for x
    x = 1,549,859,427.19/54,144.63
  6. Step 6: Final answer
    x = 28,624.43

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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.