Home / 43,577.76-65,373.12-20,206.56

Finding the Fourth Proportional to 43,577.76, 65,373.12 and 20,206.56

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Solution

The fourth proportional to 43,577.76, 65,373.12 and 20,206.56 is: 30,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.76 : 65,373.12 = 20,206.56 : x
  2. Step 2: Convert to fraction form
    43,577.76/65,373.12 = 20,206.56/x
  3. Step 3: Cross multiply
    43,577.76x = 65,373.12 × 20,206.56
  4. Step 4: Simplify right side
    43,577.76x = 1,320,965,871.67
  5. Step 5: Solve for x
    x = 1,320,965,871.67/43,577.76
  6. Step 6: Final answer
    x = 30,312.84

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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.