Home / 53,181.12-73,389.62-28,982.04

Finding the Fourth Proportional to 53,181.12, 73,389.62 and 28,982.04

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Solution

The fourth proportional to 53,181.12, 73,389.62 and 28,982.04 is: 39,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.12 : 73,389.62 = 28,982.04 : x
  2. Step 2: Convert to fraction form
    53,181.12/73,389.62 = 28,982.04/x
  3. Step 3: Cross multiply
    53,181.12x = 73,389.62 × 28,982.04
  4. Step 4: Simplify right side
    53,181.12x = 2,126,980,902.42
  5. Step 5: Solve for x
    x = 2,126,980,902.42/53,181.12
  6. Step 6: Final answer
    x = 39,995.04

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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.