Home / 54,783.77-82,126.31-19,698.75

Finding the Fourth Proportional to 54,783.77, 82,126.31 and 19,698.75

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Solution

The fourth proportional to 54,783.77, 82,126.31 and 19,698.75 is: 29,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.77 : 82,126.31 = 19,698.75 : x
  2. Step 2: Convert to fraction form
    54,783.77/82,126.31 = 19,698.75/x
  3. Step 3: Cross multiply
    54,783.77x = 82,126.31 × 19,698.75
  4. Step 4: Simplify right side
    54,783.77x = 1,617,785,550.62
  5. Step 5: Solve for x
    x = 1,617,785,550.62/54,783.77
  6. Step 6: Final answer
    x = 29,530.38

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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.