Home / 38,171.13-52,676.18-21,404.13

Finding the Fourth Proportional to 38,171.13, 52,676.18 and 21,404.13

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Solution

The fourth proportional to 38,171.13, 52,676.18 and 21,404.13 is: 29,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.13 : 52,676.18 = 21,404.13 : x
  2. Step 2: Convert to fraction form
    38,171.13/52,676.18 = 21,404.13/x
  3. Step 3: Cross multiply
    38,171.13x = 52,676.18 × 21,404.13
  4. Step 4: Simplify right side
    38,171.13x = 1,127,487,804.62
  5. Step 5: Solve for x
    x = 1,127,487,804.62/38,171.13
  6. Step 6: Final answer
    x = 29,537.71

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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.