Home / 56,302.36-77,706.72-36,163.86

Finding the Fourth Proportional to 56,302.36, 77,706.72 and 36,163.86

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Solution

The fourth proportional to 56,302.36, 77,706.72 and 36,163.86 is: 49,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.36 : 77,706.72 = 36,163.86 : x
  2. Step 2: Convert to fraction form
    56,302.36/77,706.72 = 36,163.86/x
  3. Step 3: Cross multiply
    56,302.36x = 77,706.72 × 36,163.86
  4. Step 4: Simplify right side
    56,302.36x = 2,810,174,943.14
  5. Step 5: Solve for x
    x = 2,810,174,943.14/56,302.36
  6. Step 6: Final answer
    x = 49,912.21

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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.