Home / 56,318.37-77,697.21-36,172.44

Finding the Fourth Proportional to 56,318.37, 77,697.21 and 36,172.44

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Solution

The fourth proportional to 56,318.37, 77,697.21 and 36,172.44 is: 49,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,318.37 : 77,697.21 = 36,172.44 : x
  2. Step 2: Convert to fraction form
    56,318.37/77,697.21 = 36,172.44/x
  3. Step 3: Cross multiply
    56,318.37x = 77,697.21 × 36,172.44
  4. Step 4: Simplify right side
    56,318.37x = 2,810,497,666.89
  5. Step 5: Solve for x
    x = 2,810,497,666.89/56,318.37
  6. Step 6: Final answer
    x = 49,903.75

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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.