Home / 54,426.96-81,643.48-16,992.20

Finding the Fourth Proportional to 54,426.96, 81,643.48 and 16,992.20

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Solution

The fourth proportional to 54,426.96, 81,643.48 and 16,992.20 is: 25,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,426.96 : 81,643.48 = 16,992.20 : x
  2. Step 2: Convert to fraction form
    54,426.96/81,643.48 = 16,992.20/x
  3. Step 3: Cross multiply
    54,426.96x = 81,643.48 × 16,992.20
  4. Step 4: Simplify right side
    54,426.96x = 1,387,302,502.48
  5. Step 5: Solve for x
    x = 1,387,302,502.48/54,426.96
  6. Step 6: Final answer
    x = 25,489.25

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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.