Home / 38,160.12-52,660.98-21,166.98

Finding the Fourth Proportional to 38,160.12, 52,660.98 and 21,166.98

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Solution

The fourth proportional to 38,160.12, 52,660.98 and 21,166.98 is: 29,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,160.12 : 52,660.98 = 21,166.98 : x
  2. Step 2: Convert to fraction form
    38,160.12/52,660.98 = 21,166.98/x
  3. Step 3: Cross multiply
    38,160.12x = 52,660.98 × 21,166.98
  4. Step 4: Simplify right side
    38,160.12x = 1,114,673,910.44
  5. Step 5: Solve for x
    x = 1,114,673,910.44/38,160.12
  6. Step 6: Final answer
    x = 29,210.44

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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.