Home / 43,679.39-65,534.46-21,508.34

Finding the Fourth Proportional to 43,679.39, 65,534.46 and 21,508.34

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Solution

The fourth proportional to 43,679.39, 65,534.46 and 21,508.34 is: 32,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.39 : 65,534.46 = 21,508.34 : x
  2. Step 2: Convert to fraction form
    43,679.39/65,534.46 = 21,508.34/x
  3. Step 3: Cross multiply
    43,679.39x = 65,534.46 × 21,508.34
  4. Step 4: Simplify right side
    43,679.39x = 1,409,537,447.40
  5. Step 5: Solve for x
    x = 1,409,537,447.40/43,679.39
  6. Step 6: Final answer
    x = 32,270.08

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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.