Home / 58,378.81-87,580.52-18,932.85

Finding the Fourth Proportional to 58,378.81, 87,580.52 and 18,932.85

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Solution

The fourth proportional to 58,378.81, 87,580.52 and 18,932.85 is: 28,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.81 : 87,580.52 = 18,932.85 : x
  2. Step 2: Convert to fraction form
    58,378.81/87,580.52 = 18,932.85/x
  3. Step 3: Cross multiply
    58,378.81x = 87,580.52 × 18,932.85
  4. Step 4: Simplify right side
    58,378.81x = 1,658,148,848.08
  5. Step 5: Solve for x
    x = 1,658,148,848.08/58,378.81
  6. Step 6: Final answer
    x = 28,403.27

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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.