Home / 31,802.28-47,650.36-14,006.44

Finding the Fourth Proportional to 31,802.28, 47,650.36 and 14,006.44

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Solution

The fourth proportional to 31,802.28, 47,650.36 and 14,006.44 is: 20,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.28 : 47,650.36 = 14,006.44 : x
  2. Step 2: Convert to fraction form
    31,802.28/47,650.36 = 14,006.44/x
  3. Step 3: Cross multiply
    31,802.28x = 47,650.36 × 14,006.44
  4. Step 4: Simplify right side
    31,802.28x = 667,411,908.32
  5. Step 5: Solve for x
    x = 667,411,908.32/31,802.28
  6. Step 6: Final answer
    x = 20,986.29

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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.