Home / 55,918.30-77,166.66-30,425.44

Finding the Fourth Proportional to 55,918.30, 77,166.66 and 30,425.44

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Solution

The fourth proportional to 55,918.30, 77,166.66 and 30,425.44 is: 41,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.30 : 77,166.66 = 30,425.44 : x
  2. Step 2: Convert to fraction form
    55,918.30/77,166.66 = 30,425.44/x
  3. Step 3: Cross multiply
    55,918.30x = 77,166.66 × 30,425.44
  4. Step 4: Simplify right side
    55,918.30x = 2,347,829,583.83
  5. Step 5: Solve for x
    x = 2,347,829,583.83/55,918.30
  6. Step 6: Final answer
    x = 41,986.78

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1.5x scale

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.