Home / 54,462.96-81,673.88-21,178.84

Finding the Fourth Proportional to 54,462.96, 81,673.88 and 21,178.84

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Solution

The fourth proportional to 54,462.96, 81,673.88 and 21,178.84 is: 31,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.96 : 81,673.88 = 21,178.84 : x
  2. Step 2: Convert to fraction form
    54,462.96/81,673.88 = 21,178.84/x
  3. Step 3: Cross multiply
    54,462.96x = 81,673.88 × 21,178.84
  4. Step 4: Simplify right side
    54,462.96x = 1,729,758,036.70
  5. Step 5: Solve for x
    x = 1,729,758,036.70/54,462.96
  6. Step 6: Final answer
    x = 31,760.26

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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.