Home / 50,919.13-76,368.81-25,611.90

Finding the Fourth Proportional to 50,919.13, 76,368.81 and 25,611.90

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Solution

The fourth proportional to 50,919.13, 76,368.81 and 25,611.90 is: 38,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,919.13 : 76,368.81 = 25,611.90 : x
  2. Step 2: Convert to fraction form
    50,919.13/76,368.81 = 25,611.90/x
  3. Step 3: Cross multiply
    50,919.13x = 76,368.81 × 25,611.90
  4. Step 4: Simplify right side
    50,919.13x = 1,955,949,814.94
  5. Step 5: Solve for x
    x = 1,955,949,814.94/50,919.13
  6. Step 6: Final answer
    x = 38,412.87

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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.