Home / 43,526.88-65,279.76-20,130.96

Finding the Fourth Proportional to 43,526.88, 65,279.76 and 20,130.96

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Solution

The fourth proportional to 43,526.88, 65,279.76 and 20,130.96 is: 30,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,526.88 : 65,279.76 = 20,130.96 : x
  2. Step 2: Convert to fraction form
    43,526.88/65,279.76 = 20,130.96/x
  3. Step 3: Cross multiply
    43,526.88x = 65,279.76 × 20,130.96
  4. Step 4: Simplify right side
    43,526.88x = 1,314,144,237.37
  5. Step 5: Solve for x
    x = 1,314,144,237.37/43,526.88
  6. Step 6: Final answer
    x = 30,191.56

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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.