Home / 45,208.31-67,804.73-11,928.72

Finding the Fourth Proportional to 45,208.31, 67,804.73 and 11,928.72

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Solution

The fourth proportional to 45,208.31, 67,804.73 and 11,928.72 is: 17,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.31 : 67,804.73 = 11,928.72 : x
  2. Step 2: Convert to fraction form
    45,208.31/67,804.73 = 11,928.72/x
  3. Step 3: Cross multiply
    45,208.31x = 67,804.73 × 11,928.72
  4. Step 4: Simplify right side
    45,208.31x = 808,823,579.20
  5. Step 5: Solve for x
    x = 808,823,579.20/45,208.31
  6. Step 6: Final answer
    x = 17,891.04

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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.