Home / 43,476.60-65,166.30-18,512.40

Finding the Fourth Proportional to 43,476.60, 65,166.30 and 18,512.40

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Solution

The fourth proportional to 43,476.60, 65,166.30 and 18,512.40 is: 27,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476.60 : 65,166.30 = 18,512.40 : x
  2. Step 2: Convert to fraction form
    43,476.60/65,166.30 = 18,512.40/x
  3. Step 3: Cross multiply
    43,476.60x = 65,166.30 × 18,512.40
  4. Step 4: Simplify right side
    43,476.60x = 1,206,384,612.12
  5. Step 5: Solve for x
    x = 1,206,384,612.12/43,476.60
  6. Step 6: Final answer
    x = 27,747.91

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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.