Home / 30,837.43-42,556.00-18,090.83

Finding the Fourth Proportional to 30,837.43, 42,556.00 and 18,090.83

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Solution

The fourth proportional to 30,837.43, 42,556.00 and 18,090.83 is: 24,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.43 : 42,556.00 = 18,090.83 : x
  2. Step 2: Convert to fraction form
    30,837.43/42,556.00 = 18,090.83/x
  3. Step 3: Cross multiply
    30,837.43x = 42,556.00 × 18,090.83
  4. Step 4: Simplify right side
    30,837.43x = 769,873,387.75
  5. Step 5: Solve for x
    x = 769,873,387.75/30,837.43
  6. Step 6: Final answer
    x = 24,965.55

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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.