Home / 58,331.45-87,509.94-18,892.55

Finding the Fourth Proportional to 58,331.45, 87,509.94 and 18,892.55

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Solution

The fourth proportional to 58,331.45, 87,509.94 and 18,892.55 is: 28,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.45 : 87,509.94 = 18,892.55 : x
  2. Step 2: Convert to fraction form
    58,331.45/87,509.94 = 18,892.55/x
  3. Step 3: Cross multiply
    58,331.45x = 87,509.94 × 18,892.55
  4. Step 4: Simplify right side
    58,331.45x = 1,653,285,916.95
  5. Step 5: Solve for x
    x = 1,653,285,916.95/58,331.45
  6. Step 6: Final answer
    x = 28,342.96

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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.