Home / 56,935.83-85,403.53-21,850.90

Finding the Fourth Proportional to 56,935.83, 85,403.53 and 21,850.90

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Solution

The fourth proportional to 56,935.83, 85,403.53 and 21,850.90 is: 32,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.83 : 85,403.53 = 21,850.90 : x
  2. Step 2: Convert to fraction form
    56,935.83/85,403.53 = 21,850.90/x
  3. Step 3: Cross multiply
    56,935.83x = 85,403.53 × 21,850.90
  4. Step 4: Simplify right side
    56,935.83x = 1,866,143,993.68
  5. Step 5: Solve for x
    x = 1,866,143,993.68/56,935.83
  6. Step 6: Final answer
    x = 32,776.27

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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.