Home / 54,909.28-82,334.40-17,459.20

Finding the Fourth Proportional to 54,909.28, 82,334.40 and 17,459.20

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Solution

The fourth proportional to 54,909.28, 82,334.40 and 17,459.20 is: 26,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.28 : 82,334.40 = 17,459.20 : x
  2. Step 2: Convert to fraction form
    54,909.28/82,334.40 = 17,459.20/x
  3. Step 3: Cross multiply
    54,909.28x = 82,334.40 × 17,459.20
  4. Step 4: Simplify right side
    54,909.28x = 1,437,492,756.48
  5. Step 5: Solve for x
    x = 1,437,492,756.48/54,909.28
  6. Step 6: Final answer
    x = 26,179.41

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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.