Home / 51,575.54-77,361.48-18,287.57

Finding the Fourth Proportional to 51,575.54, 77,361.48 and 18,287.57

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Solution

The fourth proportional to 51,575.54, 77,361.48 and 18,287.57 is: 27,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,575.54 : 77,361.48 = 18,287.57 : x
  2. Step 2: Convert to fraction form
    51,575.54/77,361.48 = 18,287.57/x
  3. Step 3: Cross multiply
    51,575.54x = 77,361.48 × 18,287.57
  4. Step 4: Simplify right side
    51,575.54x = 1,414,753,674.21
  5. Step 5: Solve for x
    x = 1,414,753,674.21/51,575.54
  6. Step 6: Final answer
    x = 27,430.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.