Home / 31,154.08-46,725.36-13,372.96

Finding the Fourth Proportional to 31,154.08, 46,725.36 and 13,372.96

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Solution

The fourth proportional to 31,154.08, 46,725.36 and 13,372.96 is: 20,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.08 : 46,725.36 = 13,372.96 : x
  2. Step 2: Convert to fraction form
    31,154.08/46,725.36 = 13,372.96/x
  3. Step 3: Cross multiply
    31,154.08x = 46,725.36 × 13,372.96
  4. Step 4: Simplify right side
    31,154.08x = 624,856,370.27
  5. Step 5: Solve for x
    x = 624,856,370.27/31,154.08
  6. Step 6: Final answer
    x = 20,056.97

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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.