Home / 53,592.20-80,388.30-18,528.20

Finding the Fourth Proportional to 53,592.20, 80,388.30 and 18,528.20

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Solution

The fourth proportional to 53,592.20, 80,388.30 and 18,528.20 is: 27,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,592.20 : 80,388.30 = 18,528.20 : x
  2. Step 2: Convert to fraction form
    53,592.20/80,388.30 = 18,528.20/x
  3. Step 3: Cross multiply
    53,592.20x = 80,388.30 × 18,528.20
  4. Step 4: Simplify right side
    53,592.20x = 1,489,450,500.06
  5. Step 5: Solve for x
    x = 1,489,450,500.06/53,592.20
  6. Step 6: Final answer
    x = 27,792.30

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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.