Home / 55,437.75-76,504.10-30,287.25

Finding the Fourth Proportional to 55,437.75, 76,504.10 and 30,287.25

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Solution

The fourth proportional to 55,437.75, 76,504.10 and 30,287.25 is: 41,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.75 : 76,504.10 = 30,287.25 : x
  2. Step 2: Convert to fraction form
    55,437.75/76,504.10 = 30,287.25/x
  3. Step 3: Cross multiply
    55,437.75x = 76,504.10 × 30,287.25
  4. Step 4: Simplify right side
    55,437.75x = 2,317,098,651.29
  5. Step 5: Solve for x
    x = 2,317,098,651.29/55,437.75
  6. Step 6: Final answer
    x = 41,796.41

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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.