Home / 31,344.98-46,905.12-27,142.70

Finding the Fourth Proportional to 31,344.98, 46,905.12 and 27,142.70

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Solution

The fourth proportional to 31,344.98, 46,905.12 and 27,142.70 is: 40,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.98 : 46,905.12 = 27,142.70 : x
  2. Step 2: Convert to fraction form
    31,344.98/46,905.12 = 27,142.70/x
  3. Step 3: Cross multiply
    31,344.98x = 46,905.12 × 27,142.70
  4. Step 4: Simplify right side
    31,344.98x = 1,273,131,366.10
  5. Step 5: Solve for x
    x = 1,273,131,366.10/31,344.98
  6. Step 6: Final answer
    x = 40,616.76

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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.