Home / 54,420.71-81,628.18-16,976.49

Finding the Fourth Proportional to 54,420.71, 81,628.18 and 16,976.49

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Solution

The fourth proportional to 54,420.71, 81,628.18 and 16,976.49 is: 25,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,420.71 : 81,628.18 = 16,976.49 : x
  2. Step 2: Convert to fraction form
    54,420.71/81,628.18 = 16,976.49/x
  3. Step 3: Cross multiply
    54,420.71x = 81,628.18 × 16,976.49
  4. Step 4: Simplify right side
    54,420.71x = 1,385,760,187.59
  5. Step 5: Solve for x
    x = 1,385,760,187.59/54,420.71
  6. Step 6: Final answer
    x = 25,463.84

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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.