Home / 43,451.72-65,124.95-18,439.23

Finding the Fourth Proportional to 43,451.72, 65,124.95 and 18,439.23

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Solution

The fourth proportional to 43,451.72, 65,124.95 and 18,439.23 is: 27,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451.72 : 65,124.95 = 18,439.23 : x
  2. Step 2: Convert to fraction form
    43,451.72/65,124.95 = 18,439.23/x
  3. Step 3: Cross multiply
    43,451.72x = 65,124.95 × 18,439.23
  4. Step 4: Simplify right side
    43,451.72x = 1,200,853,977.89
  5. Step 5: Solve for x
    x = 1,200,853,977.89/43,451.72
  6. Step 6: Final answer
    x = 27,636.51

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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.