Home / 56,550.33-84,811.48-19,109.57

Finding the Fourth Proportional to 56,550.33, 84,811.48 and 19,109.57

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Solution

The fourth proportional to 56,550.33, 84,811.48 and 19,109.57 is: 28,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,550.33 : 84,811.48 = 19,109.57 : x
  2. Step 2: Convert to fraction form
    56,550.33/84,811.48 = 19,109.57/x
  3. Step 3: Cross multiply
    56,550.33x = 84,811.48 × 19,109.57
  4. Step 4: Simplify right side
    56,550.33x = 1,620,710,972.84
  5. Step 5: Solve for x
    x = 1,620,710,972.84/56,550.33
  6. Step 6: Final answer
    x = 28,659.62

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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.