Home / 39,446.07-54,435.22-21,541.02

Finding the Fourth Proportional to 39,446.07, 54,435.22 and 21,541.02

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Solution

The fourth proportional to 39,446.07, 54,435.22 and 21,541.02 is: 29,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.07 : 54,435.22 = 21,541.02 : x
  2. Step 2: Convert to fraction form
    39,446.07/54,435.22 = 21,541.02/x
  3. Step 3: Cross multiply
    39,446.07x = 54,435.22 × 21,541.02
  4. Step 4: Simplify right side
    39,446.07x = 1,172,590,108.87
  5. Step 5: Solve for x
    x = 1,172,590,108.87/39,446.07
  6. Step 6: Final answer
    x = 29,726.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.