Home / 38,164.04-52,665.73-21,168.30

Finding the Fourth Proportional to 38,164.04, 52,665.73 and 21,168.30

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Solution

The fourth proportional to 38,164.04, 52,665.73 and 21,168.30 is: 29,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164.04 : 52,665.73 = 21,168.30 : x
  2. Step 2: Convert to fraction form
    38,164.04/52,665.73 = 21,168.30/x
  3. Step 3: Cross multiply
    38,164.04x = 52,665.73 × 21,168.30
  4. Step 4: Simplify right side
    38,164.04x = 1,114,843,919.44
  5. Step 5: Solve for x
    x = 1,114,843,919.44/38,164.04
  6. Step 6: Final answer
    x = 29,211.90

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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.