Home / 43,414.50-65,130.21-18,454.26

Finding the Fourth Proportional to 43,414.50, 65,130.21 and 18,454.26

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Solution

The fourth proportional to 43,414.50, 65,130.21 and 18,454.26 is: 27,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,414.50 : 65,130.21 = 18,454.26 : x
  2. Step 2: Convert to fraction form
    43,414.50/65,130.21 = 18,454.26/x
  3. Step 3: Cross multiply
    43,414.50x = 65,130.21 × 18,454.26
  4. Step 4: Simplify right side
    43,414.50x = 1,201,929,829.19
  5. Step 5: Solve for x
    x = 1,201,929,829.19/43,414.50
  6. Step 6: Final answer
    x = 27,684.99

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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.