Home / 43,880.10-65,760.51-18,558.56

Finding the Fourth Proportional to 43,880.10, 65,760.51 and 18,558.56

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Solution

The fourth proportional to 43,880.10, 65,760.51 and 18,558.56 is: 27,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.10 : 65,760.51 = 18,558.56 : x
  2. Step 2: Convert to fraction form
    43,880.10/65,760.51 = 18,558.56/x
  3. Step 3: Cross multiply
    43,880.10x = 65,760.51 × 18,558.56
  4. Step 4: Simplify right side
    43,880.10x = 1,220,420,370.47
  5. Step 5: Solve for x
    x = 1,220,420,370.47/43,880.10
  6. Step 6: Final answer
    x = 27,812.62

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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.