Home / 54,086.33-81,129.55-14,105.28

Finding the Fourth Proportional to 54,086.33, 81,129.55 and 14,105.28

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Solution

The fourth proportional to 54,086.33, 81,129.55 and 14,105.28 is: 21,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.33 : 81,129.55 = 14,105.28 : x
  2. Step 2: Convert to fraction form
    54,086.33/81,129.55 = 14,105.28/x
  3. Step 3: Cross multiply
    54,086.33x = 81,129.55 × 14,105.28
  4. Step 4: Simplify right side
    54,086.33x = 1,144,354,948.50
  5. Step 5: Solve for x
    x = 1,144,354,948.50/54,086.33
  6. Step 6: Final answer
    x = 21,157.93

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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.