Home / 56,679.14-84,993.91-21,594.20

Finding the Fourth Proportional to 56,679.14, 84,993.91 and 21,594.20

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Solution

The fourth proportional to 56,679.14, 84,993.91 and 21,594.20 is: 32,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679.14 : 84,993.91 = 21,594.20 : x
  2. Step 2: Convert to fraction form
    56,679.14/84,993.91 = 21,594.20/x
  3. Step 3: Cross multiply
    56,679.14x = 84,993.91 × 21,594.20
  4. Step 4: Simplify right side
    56,679.14x = 1,835,375,012.37
  5. Step 5: Solve for x
    x = 1,835,375,012.37/56,679.14
  6. Step 6: Final answer
    x = 32,381.84

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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.