Home / 31,226.28-46,839.48-12,758.28

Finding the Fourth Proportional to 31,226.28, 46,839.48 and 12,758.28

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Solution

The fourth proportional to 31,226.28, 46,839.48 and 12,758.28 is: 19,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.28 : 46,839.48 = 12,758.28 : x
  2. Step 2: Convert to fraction form
    31,226.28/46,839.48 = 12,758.28/x
  3. Step 3: Cross multiply
    31,226.28x = 46,839.48 × 12,758.28
  4. Step 4: Simplify right side
    31,226.28x = 597,591,200.89
  5. Step 5: Solve for x
    x = 597,591,200.89/31,226.28
  6. Step 6: Final answer
    x = 19,137.44

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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.