Home / 57,182.76-85,743.36-17,729.28

Finding the Fourth Proportional to 57,182.76, 85,743.36 and 17,729.28

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Solution

The fourth proportional to 57,182.76, 85,743.36 and 17,729.28 is: 26,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182.76 : 85,743.36 = 17,729.28 : x
  2. Step 2: Convert to fraction form
    57,182.76/85,743.36 = 17,729.28/x
  3. Step 3: Cross multiply
    57,182.76x = 85,743.36 × 17,729.28
  4. Step 4: Simplify right side
    57,182.76x = 1,520,168,037.58
  5. Step 5: Solve for x
    x = 1,520,168,037.58/57,182.76
  6. Step 6: Final answer
    x = 26,584.38

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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.