Home / 30,299.76-45,468.57-11,581.38

Finding the Fourth Proportional to 30,299.76, 45,468.57 and 11,581.38

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Solution

The fourth proportional to 30,299.76, 45,468.57 and 11,581.38 is: 17,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.76 : 45,468.57 = 11,581.38 : x
  2. Step 2: Convert to fraction form
    30,299.76/45,468.57 = 11,581.38/x
  3. Step 3: Cross multiply
    30,299.76x = 45,468.57 × 11,581.38
  4. Step 4: Simplify right side
    30,299.76x = 526,588,787.23
  5. Step 5: Solve for x
    x = 526,588,787.23/30,299.76
  6. Step 6: Final answer
    x = 17,379.31

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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.