Home / 58,057.85-87,086.78-18,618.03

Finding the Fourth Proportional to 58,057.85, 87,086.78 and 18,618.03

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Solution

The fourth proportional to 58,057.85, 87,086.78 and 18,618.03 is: 27,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,057.85 : 87,086.78 = 18,618.03 : x
  2. Step 2: Convert to fraction form
    58,057.85/87,086.78 = 18,618.03/x
  3. Step 3: Cross multiply
    58,057.85x = 87,086.78 × 18,618.03
  4. Step 4: Simplify right side
    58,057.85x = 1,621,384,189.55
  5. Step 5: Solve for x
    x = 1,621,384,189.55/58,057.85
  6. Step 6: Final answer
    x = 27,927.05

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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.