Home / 57,558.37-86,333.34-18,126.76

Finding the Fourth Proportional to 57,558.37, 86,333.34 and 18,126.76

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Solution

The fourth proportional to 57,558.37, 86,333.34 and 18,126.76 is: 27,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,558.37 : 86,333.34 = 18,126.76 : x
  2. Step 2: Convert to fraction form
    57,558.37/86,333.34 = 18,126.76/x
  3. Step 3: Cross multiply
    57,558.37x = 86,333.34 × 18,126.76
  4. Step 4: Simplify right side
    57,558.37x = 1,564,943,991.01
  5. Step 5: Solve for x
    x = 1,564,943,991.01/57,558.37
  6. Step 6: Final answer
    x = 27,188.82

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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.