Home / 31,295.88-46,938.78-13,762.44

Finding the Fourth Proportional to 31,295.88, 46,938.78 and 13,762.44

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Solution

The fourth proportional to 31,295.88, 46,938.78 and 13,762.44 is: 20,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.88 : 46,938.78 = 13,762.44 : x
  2. Step 2: Convert to fraction form
    31,295.88/46,938.78 = 13,762.44/x
  3. Step 3: Cross multiply
    31,295.88x = 46,938.78 × 13,762.44
  4. Step 4: Simplify right side
    31,295.88x = 645,992,143.42
  5. Step 5: Solve for x
    x = 645,992,143.42/31,295.88
  6. Step 6: Final answer
    x = 20,641.44

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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.