Home / 54,596.43-81,877.23-21,308.40

Finding the Fourth Proportional to 54,596.43, 81,877.23 and 21,308.40

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Solution

The fourth proportional to 54,596.43, 81,877.23 and 21,308.40 is: 31,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,596.43 : 81,877.23 = 21,308.40 : x
  2. Step 2: Convert to fraction form
    54,596.43/81,877.23 = 21,308.40/x
  3. Step 3: Cross multiply
    54,596.43x = 81,877.23 × 21,308.40
  4. Step 4: Simplify right side
    54,596.43x = 1,744,672,767.73
  5. Step 5: Solve for x
    x = 1,744,672,767.73/54,596.43
  6. Step 6: Final answer
    x = 31,955.80

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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.