Home / 54,239.28-81,359-14,796.40

Finding the Fourth Proportional to 54,239.28, 81,359 and 14,796.40

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Solution

The fourth proportional to 54,239.28, 81,359 and 14,796.40 is: 22,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,239.28 : 81,359 = 14,796.40 : x
  2. Step 2: Convert to fraction form
    54,239.28/81,359 = 14,796.40/x
  3. Step 3: Cross multiply
    54,239.28x = 81,359 × 14,796.40
  4. Step 4: Simplify right side
    54,239.28x = 1,203,820,307.60
  5. Step 5: Solve for x
    x = 1,203,820,307.60/54,239.28
  6. Step 6: Final answer
    x = 22,194.62

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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.