Home / 43,689.50-65,517.59-15,604.32

Finding the Fourth Proportional to 43,689.50, 65,517.59 and 15,604.32

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Solution

The fourth proportional to 43,689.50, 65,517.59 and 15,604.32 is: 23,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.50 : 65,517.59 = 15,604.32 : x
  2. Step 2: Convert to fraction form
    43,689.50/65,517.59 = 15,604.32/x
  3. Step 3: Cross multiply
    43,689.50x = 65,517.59 × 15,604.32
  4. Step 4: Simplify right side
    43,689.50x = 1,022,357,439.99
  5. Step 5: Solve for x
    x = 1,022,357,439.99/43,689.50
  6. Step 6: Final answer
    x = 23,400.53

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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.