Home / 31,204.40-46,801.20-11,472.80

Finding the Fourth Proportional to 31,204.40, 46,801.20 and 11,472.80

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Solution

The fourth proportional to 31,204.40, 46,801.20 and 11,472.80 is: 17,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.40 : 46,801.20 = 11,472.80 : x
  2. Step 2: Convert to fraction form
    31,204.40/46,801.20 = 11,472.80/x
  3. Step 3: Cross multiply
    31,204.40x = 46,801.20 × 11,472.80
  4. Step 4: Simplify right side
    31,204.40x = 536,940,807.36
  5. Step 5: Solve for x
    x = 536,940,807.36/31,204.40
  6. Step 6: Final answer
    x = 17,207.21

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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.