Home / 58,378.69-87,580.34-18,932.73

Finding the Fourth Proportional to 58,378.69, 87,580.34 and 18,932.73

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Solution

The fourth proportional to 58,378.69, 87,580.34 and 18,932.73 is: 28,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.69 : 87,580.34 = 18,932.73 : x
  2. Step 2: Convert to fraction form
    58,378.69/87,580.34 = 18,932.73/x
  3. Step 3: Cross multiply
    58,378.69x = 87,580.34 × 18,932.73
  4. Step 4: Simplify right side
    58,378.69x = 1,658,134,835.86
  5. Step 5: Solve for x
    x = 1,658,134,835.86/58,378.69
  6. Step 6: Final answer
    x = 28,403.08

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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.