Home / 56,932.36-85,402.86-15,379

Finding the Fourth Proportional to 56,932.36, 85,402.86 and 15,379

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Solution

The fourth proportional to 56,932.36, 85,402.86 and 15,379 is: 23,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.36 : 85,402.86 = 15,379 : x
  2. Step 2: Convert to fraction form
    56,932.36/85,402.86 = 15,379/x
  3. Step 3: Cross multiply
    56,932.36x = 85,402.86 × 15,379
  4. Step 4: Simplify right side
    56,932.36x = 1,313,410,583.94
  5. Step 5: Solve for x
    x = 1,313,410,583.94/56,932.36
  6. Step 6: Final answer
    x = 23,069.67

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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.