Home / 43,396.59-65,107.37-13,818.99

Finding the Fourth Proportional to 43,396.59, 65,107.37 and 13,818.99

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Solution

The fourth proportional to 43,396.59, 65,107.37 and 13,818.99 is: 20,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,396.59 : 65,107.37 = 13,818.99 : x
  2. Step 2: Convert to fraction form
    43,396.59/65,107.37 = 13,818.99/x
  3. Step 3: Cross multiply
    43,396.59x = 65,107.37 × 13,818.99
  4. Step 4: Simplify right side
    43,396.59x = 899,718,025.86
  5. Step 5: Solve for x
    x = 899,718,025.86/43,396.59
  6. Step 6: Final answer
    x = 20,732.46

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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.