Home / 47,675.20-71,512.80-36,637.60

Finding the Fourth Proportional to 47,675.20, 71,512.80 and 36,637.60

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Solution

The fourth proportional to 47,675.20, 71,512.80 and 36,637.60 is: 54,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,675.20 : 71,512.80 = 36,637.60 : x
  2. Step 2: Convert to fraction form
    47,675.20/71,512.80 = 36,637.60/x
  3. Step 3: Cross multiply
    47,675.20x = 71,512.80 × 36,637.60
  4. Step 4: Simplify right side
    47,675.20x = 2,620,057,361.28
  5. Step 5: Solve for x
    x = 2,620,057,361.28/47,675.20
  6. Step 6: Final answer
    x = 54,956.40

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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.