Home / 31,483.67-47,241.89-13,949.38

Finding the Fourth Proportional to 31,483.67, 47,241.89 and 13,949.38

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Solution

The fourth proportional to 31,483.67, 47,241.89 and 13,949.38 is: 20,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.67 : 47,241.89 = 13,949.38 : x
  2. Step 2: Convert to fraction form
    31,483.67/47,241.89 = 13,949.38/x
  3. Step 3: Cross multiply
    31,483.67x = 47,241.89 × 13,949.38
  4. Step 4: Simplify right side
    31,483.67x = 658,994,769.57
  5. Step 5: Solve for x
    x = 658,994,769.57/31,483.67
  6. Step 6: Final answer
    x = 20,931.32

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1.5x scale

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.