Home / 38,166.98-52,668.58-21,171.90

Finding the Fourth Proportional to 38,166.98, 52,668.58 and 21,171.90

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Solution

The fourth proportional to 38,166.98, 52,668.58 and 21,171.90 is: 29,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.98 : 52,668.58 = 21,171.90 : x
  2. Step 2: Convert to fraction form
    38,166.98/52,668.58 = 21,171.90/x
  3. Step 3: Cross multiply
    38,166.98x = 52,668.58 × 21,171.90
  4. Step 4: Simplify right side
    38,166.98x = 1,115,093,908.90
  5. Step 5: Solve for x
    x = 1,115,093,908.90/38,166.98
  6. Step 6: Final answer
    x = 29,216.19

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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.