Home / 57,973.20-86,959.80-18,531.60

Finding the Fourth Proportional to 57,973.20, 86,959.80 and 18,531.60

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Solution

The fourth proportional to 57,973.20, 86,959.80 and 18,531.60 is: 27,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,973.20 : 86,959.80 = 18,531.60 : x
  2. Step 2: Convert to fraction form
    57,973.20/86,959.80 = 18,531.60/x
  3. Step 3: Cross multiply
    57,973.20x = 86,959.80 × 18,531.60
  4. Step 4: Simplify right side
    57,973.20x = 1,611,504,229.68
  5. Step 5: Solve for x
    x = 1,611,504,229.68/57,973.20
  6. Step 6: Final answer
    x = 27,797.40

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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.