Home / 30,467.91-45,670.74-11,740.61

Finding the Fourth Proportional to 30,467.91, 45,670.74 and 11,740.61

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Solution

The fourth proportional to 30,467.91, 45,670.74 and 11,740.61 is: 17,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.91 : 45,670.74 = 11,740.61 : x
  2. Step 2: Convert to fraction form
    30,467.91/45,670.74 = 11,740.61/x
  3. Step 3: Cross multiply
    30,467.91x = 45,670.74 × 11,740.61
  4. Step 4: Simplify right side
    30,467.91x = 536,202,416.90
  5. Step 5: Solve for x
    x = 536,202,416.90/30,467.91
  6. Step 6: Final answer
    x = 17,598.92

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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.