Home / 31,742.82-47,612.34-14,207.94

Finding the Fourth Proportional to 31,742.82, 47,612.34 and 14,207.94

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Solution

The fourth proportional to 31,742.82, 47,612.34 and 14,207.94 is: 21,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.82 : 47,612.34 = 14,207.94 : x
  2. Step 2: Convert to fraction form
    31,742.82/47,612.34 = 14,207.94/x
  3. Step 3: Cross multiply
    31,742.82x = 47,612.34 × 14,207.94
  4. Step 4: Simplify right side
    31,742.82x = 676,473,269.98
  5. Step 5: Solve for x
    x = 676,473,269.98/31,742.82
  6. Step 6: Final answer
    x = 21,311.06

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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.