Home / 58,379.69-87,581.84-18,933.73

Finding the Fourth Proportional to 58,379.69, 87,581.84 and 18,933.73

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Solution

The fourth proportional to 58,379.69, 87,581.84 and 18,933.73 is: 28,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.69 : 87,581.84 = 18,933.73 : x
  2. Step 2: Convert to fraction form
    58,379.69/87,581.84 = 18,933.73/x
  3. Step 3: Cross multiply
    58,379.69x = 87,581.84 × 18,933.73
  4. Step 4: Simplify right side
    58,379.69x = 1,658,250,911.46
  5. Step 5: Solve for x
    x = 1,658,250,911.46/58,379.69
  6. Step 6: Final answer
    x = 28,404.59

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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.