Home / 31,305.26-46,960.80-11,319.76

Finding the Fourth Proportional to 31,305.26, 46,960.80 and 11,319.76

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Solution

The fourth proportional to 31,305.26, 46,960.80 and 11,319.76 is: 16,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.26 : 46,960.80 = 11,319.76 : x
  2. Step 2: Convert to fraction form
    31,305.26/46,960.80 = 11,319.76/x
  3. Step 3: Cross multiply
    31,305.26x = 46,960.80 × 11,319.76
  4. Step 4: Simplify right side
    31,305.26x = 531,584,985.41
  5. Step 5: Solve for x
    x = 531,584,985.41/31,305.26
  6. Step 6: Final answer
    x = 16,980.69

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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.