Home / 30,219.38-45,330.21-11,495.91

Finding the Fourth Proportional to 30,219.38, 45,330.21 and 11,495.91

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Solution

The fourth proportional to 30,219.38, 45,330.21 and 11,495.91 is: 17,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.38 : 45,330.21 = 11,495.91 : x
  2. Step 2: Convert to fraction form
    30,219.38/45,330.21 = 11,495.91/x
  3. Step 3: Cross multiply
    30,219.38x = 45,330.21 × 11,495.91
  4. Step 4: Simplify right side
    30,219.38x = 521,112,014.44
  5. Step 5: Solve for x
    x = 521,112,014.44/30,219.38
  6. Step 6: Final answer
    x = 17,244.30

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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.