Home / 56,119.82-84,155.09-21,034.87

Finding the Fourth Proportional to 56,119.82, 84,155.09 and 21,034.87

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Solution

The fourth proportional to 56,119.82, 84,155.09 and 21,034.87 is: 31,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.82 : 84,155.09 = 21,034.87 : x
  2. Step 2: Convert to fraction form
    56,119.82/84,155.09 = 21,034.87/x
  3. Step 3: Cross multiply
    56,119.82x = 84,155.09 × 21,034.87
  4. Step 4: Simplify right side
    56,119.82x = 1,770,191,377.99
  5. Step 5: Solve for x
    x = 1,770,191,377.99/56,119.82
  6. Step 6: Final answer
    x = 31,543.07

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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.