Home / 31,223.20-46,861.12-12,516.32

Finding the Fourth Proportional to 31,223.20, 46,861.12 and 12,516.32

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Solution

The fourth proportional to 31,223.20, 46,861.12 and 12,516.32 is: 18,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.20 : 46,861.12 = 12,516.32 : x
  2. Step 2: Convert to fraction form
    31,223.20/46,861.12 = 12,516.32/x
  3. Step 3: Cross multiply
    31,223.20x = 46,861.12 × 12,516.32
  4. Step 4: Simplify right side
    31,223.20x = 586,528,773.48
  5. Step 5: Solve for x
    x = 586,528,773.48/31,223.20
  6. Step 6: Final answer
    x = 18,785.03

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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.