Home / 31,651.49-47,483.63-14,121.32

Finding the Fourth Proportional to 31,651.49, 47,483.63 and 14,121.32

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Solution

The fourth proportional to 31,651.49, 47,483.63 and 14,121.32 is: 21,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651.49 : 47,483.63 = 14,121.32 : x
  2. Step 2: Convert to fraction form
    31,651.49/47,483.63 = 14,121.32/x
  3. Step 3: Cross multiply
    31,651.49x = 47,483.63 × 14,121.32
  4. Step 4: Simplify right side
    31,651.49x = 670,531,463.39
  5. Step 5: Solve for x
    x = 670,531,463.39/31,651.49
  6. Step 6: Final answer
    x = 21,184.83

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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.