Home / 55,375.12-76,417.76-30,224.64

Finding the Fourth Proportional to 55,375.12, 76,417.76 and 30,224.64

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Solution

The fourth proportional to 55,375.12, 76,417.76 and 30,224.64 is: 41,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.12 : 76,417.76 = 30,224.64 : x
  2. Step 2: Convert to fraction form
    55,375.12/76,417.76 = 30,224.64/x
  3. Step 3: Cross multiply
    55,375.12x = 76,417.76 × 30,224.64
  4. Step 4: Simplify right side
    55,375.12x = 2,309,699,285.61
  5. Step 5: Solve for x
    x = 2,309,699,285.61/55,375.12
  6. Step 6: Final answer
    x = 41,710.05

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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.