Home / 30,251.38-45,390.06-10,519.18

Finding the Fourth Proportional to 30,251.38, 45,390.06 and 10,519.18

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Solution

The fourth proportional to 30,251.38, 45,390.06 and 10,519.18 is: 15,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.38 : 45,390.06 = 10,519.18 : x
  2. Step 2: Convert to fraction form
    30,251.38/45,390.06 = 10,519.18/x
  3. Step 3: Cross multiply
    30,251.38x = 45,390.06 × 10,519.18
  4. Step 4: Simplify right side
    30,251.38x = 477,466,211.35
  5. Step 5: Solve for x
    x = 477,466,211.35/30,251.38
  6. Step 6: Final answer
    x = 15,783.29

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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.