Home / 38,199.80-52,714.88-21,203.04

Finding the Fourth Proportional to 38,199.80, 52,714.88 and 21,203.04

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Solution

The fourth proportional to 38,199.80, 52,714.88 and 21,203.04 is: 29,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.80 : 52,714.88 = 21,203.04 : x
  2. Step 2: Convert to fraction form
    38,199.80/52,714.88 = 21,203.04/x
  3. Step 3: Cross multiply
    38,199.80x = 52,714.88 × 21,203.04
  4. Step 4: Simplify right side
    38,199.80x = 1,117,715,709.24
  5. Step 5: Solve for x
    x = 1,117,715,709.24/38,199.80
  6. Step 6: Final answer
    x = 29,259.73

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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.