Home / 31,177.38-46,772.98-8,989.03

Finding the Fourth Proportional to 31,177.38, 46,772.98 and 8,989.03

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Solution

The fourth proportional to 31,177.38, 46,772.98 and 8,989.03 is: 13,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.38 : 46,772.98 = 8,989.03 : x
  2. Step 2: Convert to fraction form
    31,177.38/46,772.98 = 8,989.03/x
  3. Step 3: Cross multiply
    31,177.38x = 46,772.98 × 8,989.03
  4. Step 4: Simplify right side
    31,177.38x = 420,443,493.31
  5. Step 5: Solve for x
    x = 420,443,493.31/31,177.38
  6. Step 6: Final answer
    x = 13,485.53

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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.