Home / 43,499.46-65,245.02-13,909.32

Finding the Fourth Proportional to 43,499.46, 65,245.02 and 13,909.32

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Solution

The fourth proportional to 43,499.46, 65,245.02 and 13,909.32 is: 20,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,499.46 : 65,245.02 = 13,909.32 : x
  2. Step 2: Convert to fraction form
    43,499.46/65,245.02 = 13,909.32/x
  3. Step 3: Cross multiply
    43,499.46x = 65,245.02 × 13,909.32
  4. Step 4: Simplify right side
    43,499.46x = 907,513,861.59
  5. Step 5: Solve for x
    x = 907,513,861.59/43,499.46
  6. Step 6: Final answer
    x = 20,862.65

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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.