Home / 43,824.96-65,776.50-20,464.56

Finding the Fourth Proportional to 43,824.96, 65,776.50 and 20,464.56

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Solution

The fourth proportional to 43,824.96, 65,776.50 and 20,464.56 is: 30,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.96 : 65,776.50 = 20,464.56 : x
  2. Step 2: Convert to fraction form
    43,824.96/65,776.50 = 20,464.56/x
  3. Step 3: Cross multiply
    43,824.96x = 65,776.50 × 20,464.56
  4. Step 4: Simplify right side
    43,824.96x = 1,346,087,130.84
  5. Step 5: Solve for x
    x = 1,346,087,130.84/43,824.96
  6. Step 6: Final answer
    x = 30,715.08

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1.5x scale

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.