Home / 53,995.29-81,020.26-36,428.21

Finding the Fourth Proportional to 53,995.29, 81,020.26 and 36,428.21

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Solution

The fourth proportional to 53,995.29, 81,020.26 and 36,428.21 is: 54,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.29 : 81,020.26 = 36,428.21 : x
  2. Step 2: Convert to fraction form
    53,995.29/81,020.26 = 36,428.21/x
  3. Step 3: Cross multiply
    53,995.29x = 81,020.26 × 36,428.21
  4. Step 4: Simplify right side
    53,995.29x = 2,951,422,989.79
  5. Step 5: Solve for x
    x = 2,951,422,989.79/53,995.29
  6. Step 6: Final answer
    x = 54,660.75

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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.