Home / 43,358.55-65,074.86-30,909.03

Finding the Fourth Proportional to 43,358.55, 65,074.86 and 30,909.03

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Solution

The fourth proportional to 43,358.55, 65,074.86 and 30,909.03 is: 46,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.55 : 65,074.86 = 30,909.03 : x
  2. Step 2: Convert to fraction form
    43,358.55/65,074.86 = 30,909.03/x
  3. Step 3: Cross multiply
    43,358.55x = 65,074.86 × 30,909.03
  4. Step 4: Simplify right side
    43,358.55x = 2,011,400,799.99
  5. Step 5: Solve for x
    x = 2,011,400,799.99/43,358.55
  6. Step 6: Final answer
    x = 46,389.95

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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.