Home / 20,181.10-30,248.42-10,044.36

Finding the Fourth Proportional to 20,181.10, 30,248.42 and 10,044.36

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Solution

The fourth proportional to 20,181.10, 30,248.42 and 10,044.36 is: 15,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.10 : 30,248.42 = 10,044.36 : x
  2. Step 2: Convert to fraction form
    20,181.10/30,248.42 = 10,044.36/x
  3. Step 3: Cross multiply
    20,181.10x = 30,248.42 × 10,044.36
  4. Step 4: Simplify right side
    20,181.10x = 303,826,019.91
  5. Step 5: Solve for x
    x = 303,826,019.91/20,181.10
  6. Step 6: Final answer
    x = 15,054.98

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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.