Home / 56,912.24-85,346.49-39,328.76

Finding the Fourth Proportional to 56,912.24, 85,346.49 and 39,328.76

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Solution

The fourth proportional to 56,912.24, 85,346.49 and 39,328.76 is: 58,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.24 : 85,346.49 = 39,328.76 : x
  2. Step 2: Convert to fraction form
    56,912.24/85,346.49 = 39,328.76/x
  3. Step 3: Cross multiply
    56,912.24x = 85,346.49 × 39,328.76
  4. Step 4: Simplify right side
    56,912.24x = 3,356,571,622.05
  5. Step 5: Solve for x
    x = 3,356,571,622.05/56,912.24
  6. Step 6: Final answer
    x = 58,978.03

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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.