Home / 31,143.26-46,728.55-16,348.71

Finding the Fourth Proportional to 31,143.26, 46,728.55 and 16,348.71

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Solution

The fourth proportional to 31,143.26, 46,728.55 and 16,348.71 is: 24,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143.26 : 46,728.55 = 16,348.71 : x
  2. Step 2: Convert to fraction form
    31,143.26/46,728.55 = 16,348.71/x
  3. Step 3: Cross multiply
    31,143.26x = 46,728.55 × 16,348.71
  4. Step 4: Simplify right side
    31,143.26x = 763,951,484.95
  5. Step 5: Solve for x
    x = 763,951,484.95/31,143.26
  6. Step 6: Final answer
    x = 24,530.24

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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.