Home / 55,438.14-76,504.67-30,287.64

Finding the Fourth Proportional to 55,438.14, 76,504.67 and 30,287.64

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Solution

The fourth proportional to 55,438.14, 76,504.67 and 30,287.64 is: 41,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,438.14 : 76,504.67 = 30,287.64 : x
  2. Step 2: Convert to fraction form
    55,438.14/76,504.67 = 30,287.64/x
  3. Step 3: Cross multiply
    55,438.14x = 76,504.67 × 30,287.64
  4. Step 4: Simplify right side
    55,438.14x = 2,317,145,903.28
  5. Step 5: Solve for x
    x = 2,317,145,903.28/55,438.14
  6. Step 6: Final answer
    x = 41,796.96

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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.