Home / 31,081.40-46,635.88-16,286.80

Finding the Fourth Proportional to 31,081.40, 46,635.88 and 16,286.80

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Solution

The fourth proportional to 31,081.40, 46,635.88 and 16,286.80 is: 24,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081.40 : 46,635.88 = 16,286.80 : x
  2. Step 2: Convert to fraction form
    31,081.40/46,635.88 = 16,286.80/x
  3. Step 3: Cross multiply
    31,081.40x = 46,635.88 × 16,286.80
  4. Step 4: Simplify right side
    31,081.40x = 759,549,034.09
  5. Step 5: Solve for x
    x = 759,549,034.09/31,081.40
  6. Step 6: Final answer
    x = 24,437.42

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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.