Home / 43,691.58-65,459.61-18,335.34

Finding the Fourth Proportional to 43,691.58, 65,459.61 and 18,335.34

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Solution

The fourth proportional to 43,691.58, 65,459.61 and 18,335.34 is: 27,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.58 : 65,459.61 = 18,335.34 : x
  2. Step 2: Convert to fraction form
    43,691.58/65,459.61 = 18,335.34/x
  3. Step 3: Cross multiply
    43,691.58x = 65,459.61 × 18,335.34
  4. Step 4: Simplify right side
    43,691.58x = 1,200,224,205.62
  5. Step 5: Solve for x
    x = 1,200,224,205.62/43,691.58
  6. Step 6: Final answer
    x = 27,470.38

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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.