Home / 54,588.69-81,834.34-21,301.01

Finding the Fourth Proportional to 54,588.69, 81,834.34 and 21,301.01

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Solution

The fourth proportional to 54,588.69, 81,834.34 and 21,301.01 is: 31,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,588.69 : 81,834.34 = 21,301.01 : x
  2. Step 2: Convert to fraction form
    54,588.69/81,834.34 = 21,301.01/x
  3. Step 3: Cross multiply
    54,588.69x = 81,834.34 × 21,301.01
  4. Step 4: Simplify right side
    54,588.69x = 1,743,153,988.18
  5. Step 5: Solve for x
    x = 1,743,153,988.18/54,588.69
  6. Step 6: Final answer
    x = 31,932.51

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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.