Home / 31,017.72-46,508.90-21,168.92

Finding the Fourth Proportional to 31,017.72, 46,508.90 and 21,168.92

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Solution

The fourth proportional to 31,017.72, 46,508.90 and 21,168.92 is: 31,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.72 : 46,508.90 = 21,168.92 : x
  2. Step 2: Convert to fraction form
    31,017.72/46,508.90 = 21,168.92/x
  3. Step 3: Cross multiply
    31,017.72x = 46,508.90 × 21,168.92
  4. Step 4: Simplify right side
    31,017.72x = 984,543,183.39
  5. Step 5: Solve for x
    x = 984,543,183.39/31,017.72
  6. Step 6: Final answer
    x = 31,741.31

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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.