Home / 56,190.30-84,176.10-31,185.60

Finding the Fourth Proportional to 56,190.30, 84,176.10 and 31,185.60

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Solution

The fourth proportional to 56,190.30, 84,176.10 and 31,185.60 is: 46,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,190.30 : 84,176.10 = 31,185.60 : x
  2. Step 2: Convert to fraction form
    56,190.30/84,176.10 = 31,185.60/x
  3. Step 3: Cross multiply
    56,190.30x = 84,176.10 × 31,185.60
  4. Step 4: Simplify right side
    56,190.30x = 2,625,082,184.16
  5. Step 5: Solve for x
    x = 2,625,082,184.16/56,190.30
  6. Step 6: Final answer
    x = 46,717.71

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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.