Home / 20,044.31-30,077.48-10,184.43

Finding the Fourth Proportional to 20,044.31, 30,077.48 and 10,184.43

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Solution

The fourth proportional to 20,044.31, 30,077.48 and 10,184.43 is: 15,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.31 : 30,077.48 = 10,184.43 : x
  2. Step 2: Convert to fraction form
    20,044.31/30,077.48 = 10,184.43/x
  3. Step 3: Cross multiply
    20,044.31x = 30,077.48 × 10,184.43
  4. Step 4: Simplify right side
    20,044.31x = 306,322,070.60
  5. Step 5: Solve for x
    x = 306,322,070.60/20,044.31
  6. Step 6: Final answer
    x = 15,282.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.