Home / 54,327.60-81,486.27-19,265.40

Finding the Fourth Proportional to 54,327.60, 81,486.27 and 19,265.40

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Solution

The fourth proportional to 54,327.60, 81,486.27 and 19,265.40 is: 28,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.60 : 81,486.27 = 19,265.40 : x
  2. Step 2: Convert to fraction form
    54,327.60/81,486.27 = 19,265.40/x
  3. Step 3: Cross multiply
    54,327.60x = 81,486.27 × 19,265.40
  4. Step 4: Simplify right side
    54,327.60x = 1,569,865,586.06
  5. Step 5: Solve for x
    x = 1,569,865,586.06/54,327.60
  6. Step 6: Final answer
    x = 28,896.28

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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.