Home / 38,171.98-52,675.48-21,176.90

Finding the Fourth Proportional to 38,171.98, 52,675.48 and 21,176.90

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Solution

The fourth proportional to 38,171.98, 52,675.48 and 21,176.90 is: 29,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.98 : 52,675.48 = 21,176.90 : x
  2. Step 2: Convert to fraction form
    38,171.98/52,675.48 = 21,176.90/x
  3. Step 3: Cross multiply
    38,171.98x = 52,675.48 × 21,176.90
  4. Step 4: Simplify right side
    38,171.98x = 1,115,503,372.41
  5. Step 5: Solve for x
    x = 1,115,503,372.41/38,171.98
  6. Step 6: Final answer
    x = 29,223.09

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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.