Home / 31,627.60-47,404.88-11,893.57

Finding the Fourth Proportional to 31,627.60, 47,404.88 and 11,893.57

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Solution

The fourth proportional to 31,627.60, 47,404.88 and 11,893.57 is: 17,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.60 : 47,404.88 = 11,893.57 : x
  2. Step 2: Convert to fraction form
    31,627.60/47,404.88 = 11,893.57/x
  3. Step 3: Cross multiply
    31,627.60x = 47,404.88 × 11,893.57
  4. Step 4: Simplify right side
    31,627.60x = 563,813,258.62
  5. Step 5: Solve for x
    x = 563,813,258.62/31,627.60
  6. Step 6: Final answer
    x = 17,826.62

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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.