Home / 55,438.86-76,505.62-30,288.36

Finding the Fourth Proportional to 55,438.86, 76,505.62 and 30,288.36

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Solution

The fourth proportional to 55,438.86, 76,505.62 and 30,288.36 is: 41,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,438.86 : 76,505.62 = 30,288.36 : x
  2. Step 2: Convert to fraction form
    55,438.86/76,505.62 = 30,288.36/x
  3. Step 3: Cross multiply
    55,438.86x = 76,505.62 × 30,288.36
  4. Step 4: Simplify right side
    55,438.86x = 2,317,229,609.14
  5. Step 5: Solve for x
    x = 2,317,229,609.14/55,438.86
  6. Step 6: Final answer
    x = 41,797.93

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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.