Home / 43,402.46-65,108.50-13,813.44

Finding the Fourth Proportional to 43,402.46, 65,108.50 and 13,813.44

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Solution

The fourth proportional to 43,402.46, 65,108.50 and 13,813.44 is: 20,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402.46 : 65,108.50 = 13,813.44 : x
  2. Step 2: Convert to fraction form
    43,402.46/65,108.50 = 13,813.44/x
  3. Step 3: Cross multiply
    43,402.46x = 65,108.50 × 13,813.44
  4. Step 4: Simplify right side
    43,402.46x = 899,372,358.24
  5. Step 5: Solve for x
    x = 899,372,358.24/43,402.46
  6. Step 6: Final answer
    x = 20,721.69

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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.