Home / 56,995.14-78,662.86-38,589.90

Finding the Fourth Proportional to 56,995.14, 78,662.86 and 38,589.90

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Solution

The fourth proportional to 56,995.14, 78,662.86 and 38,589.90 is: 53,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.14 : 78,662.86 = 38,589.90 : x
  2. Step 2: Convert to fraction form
    56,995.14/78,662.86 = 38,589.90/x
  3. Step 3: Cross multiply
    56,995.14x = 78,662.86 × 38,589.90
  4. Step 4: Simplify right side
    56,995.14x = 3,035,591,607.98
  5. Step 5: Solve for x
    x = 3,035,591,607.98/56,995.14
  6. Step 6: Final answer
    x = 53,260.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.