Home / 31,279.85-46,892.30-16,255.35

Finding the Fourth Proportional to 31,279.85, 46,892.30 and 16,255.35

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Solution

The fourth proportional to 31,279.85, 46,892.30 and 16,255.35 is: 24,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.85 : 46,892.30 = 16,255.35 : x
  2. Step 2: Convert to fraction form
    31,279.85/46,892.30 = 16,255.35/x
  3. Step 3: Cross multiply
    31,279.85x = 46,892.30 × 16,255.35
  4. Step 4: Simplify right side
    31,279.85x = 762,250,758.96
  5. Step 5: Solve for x
    x = 762,250,758.96/31,279.85
  6. Step 6: Final answer
    x = 24,368.74

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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.