Home / 31,101.76-46,679.60-16,321.12

Finding the Fourth Proportional to 31,101.76, 46,679.60 and 16,321.12

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Solution

The fourth proportional to 31,101.76, 46,679.60 and 16,321.12 is: 24,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101.76 : 46,679.60 = 16,321.12 : x
  2. Step 2: Convert to fraction form
    31,101.76/46,679.60 = 16,321.12/x
  3. Step 3: Cross multiply
    31,101.76x = 46,679.60 × 16,321.12
  4. Step 4: Simplify right side
    31,101.76x = 761,863,353.15
  5. Step 5: Solve for x
    x = 761,863,353.15/31,101.76
  6. Step 6: Final answer
    x = 24,495.83

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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.