Home / 31,670.13-47,511.96-11,679.68

Finding the Fourth Proportional to 31,670.13, 47,511.96 and 11,679.68

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Solution

The fourth proportional to 31,670.13, 47,511.96 and 11,679.68 is: 17,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.13 : 47,511.96 = 11,679.68 : x
  2. Step 2: Convert to fraction form
    31,670.13/47,511.96 = 11,679.68/x
  3. Step 3: Cross multiply
    31,670.13x = 47,511.96 × 11,679.68
  4. Step 4: Simplify right side
    31,670.13x = 554,924,251.41
  5. Step 5: Solve for x
    x = 554,924,251.41/31,670.13
  6. Step 6: Final answer
    x = 17,522.01

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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.