Home / 51,536.96-77,280.99-19,961.81

Finding the Fourth Proportional to 51,536.96, 77,280.99 and 19,961.81

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Solution

The fourth proportional to 51,536.96, 77,280.99 and 19,961.81 is: 29,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,536.96 : 77,280.99 = 19,961.81 : x
  2. Step 2: Convert to fraction form
    51,536.96/77,280.99 = 19,961.81/x
  3. Step 3: Cross multiply
    51,536.96x = 77,280.99 × 19,961.81
  4. Step 4: Simplify right side
    51,536.96x = 1,542,668,267.53
  5. Step 5: Solve for x
    x = 1,542,668,267.53/51,536.96
  6. Step 6: Final answer
    x = 29,933.24

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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.