Home / 31,513.20-47,269.80-30,735.60

Finding the Fourth Proportional to 31,513.20, 47,269.80 and 30,735.60

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Solution

The fourth proportional to 31,513.20, 47,269.80 and 30,735.60 is: 46,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.20 : 47,269.80 = 30,735.60 : x
  2. Step 2: Convert to fraction form
    31,513.20/47,269.80 = 30,735.60/x
  3. Step 3: Cross multiply
    31,513.20x = 47,269.80 × 30,735.60
  4. Step 4: Simplify right side
    31,513.20x = 1,452,865,664.88
  5. Step 5: Solve for x
    x = 1,452,865,664.88/31,513.20
  6. Step 6: Final answer
    x = 46,103.40

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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.