Home / 57,478.56-86,221.48-18,037.23

Finding the Fourth Proportional to 57,478.56, 86,221.48 and 18,037.23

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Solution

The fourth proportional to 57,478.56, 86,221.48 and 18,037.23 is: 27,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478.56 : 86,221.48 = 18,037.23 : x
  2. Step 2: Convert to fraction form
    57,478.56/86,221.48 = 18,037.23/x
  3. Step 3: Cross multiply
    57,478.56x = 86,221.48 × 18,037.23
  4. Step 4: Simplify right side
    57,478.56x = 1,555,196,234.59
  5. Step 5: Solve for x
    x = 1,555,196,234.59/57,478.56
  6. Step 6: Final answer
    x = 27,056.98

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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.