Home / 58,182.08-87,217.68-18,711.56

Finding the Fourth Proportional to 58,182.08, 87,217.68 and 18,711.56

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Solution

The fourth proportional to 58,182.08, 87,217.68 and 18,711.56 is: 28,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,182.08 : 87,217.68 = 18,711.56 : x
  2. Step 2: Convert to fraction form
    58,182.08/87,217.68 = 18,711.56/x
  3. Step 3: Cross multiply
    58,182.08x = 87,217.68 × 18,711.56
  4. Step 4: Simplify right side
    58,182.08x = 1,631,978,852.38
  5. Step 5: Solve for x
    x = 1,631,978,852.38/58,182.08
  6. Step 6: Final answer
    x = 28,049.51

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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.