Home / 54,619.41-81,939.45-21,337.37

Finding the Fourth Proportional to 54,619.41, 81,939.45 and 21,337.37

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Solution

The fourth proportional to 54,619.41, 81,939.45 and 21,337.37 is: 32,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.41 : 81,939.45 = 21,337.37 : x
  2. Step 2: Convert to fraction form
    54,619.41/81,939.45 = 21,337.37/x
  3. Step 3: Cross multiply
    54,619.41x = 81,939.45 × 21,337.37
  4. Step 4: Simplify right side
    54,619.41x = 1,748,371,952.55
  5. Step 5: Solve for x
    x = 1,748,371,952.55/54,619.41
  6. Step 6: Final answer
    x = 32,010.08

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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.