Home / 54,175.77-74,732.48-31,512.21

Finding the Fourth Proportional to 54,175.77, 74,732.48 and 31,512.21

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Solution

The fourth proportional to 54,175.77, 74,732.48 and 31,512.21 is: 43,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.77 : 74,732.48 = 31,512.21 : x
  2. Step 2: Convert to fraction form
    54,175.77/74,732.48 = 31,512.21/x
  3. Step 3: Cross multiply
    54,175.77x = 74,732.48 × 31,512.21
  4. Step 4: Simplify right side
    54,175.77x = 2,354,985,446.02
  5. Step 5: Solve for x
    x = 2,354,985,446.02/54,175.77
  6. Step 6: Final answer
    x = 43,469.35

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1.5x scale

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.