Home / 30,659.20-45,988.80-29,233.60

Finding the Fourth Proportional to 30,659.20, 45,988.80 and 29,233.60

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Solution

The fourth proportional to 30,659.20, 45,988.80 and 29,233.60 is: 43,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.20 : 45,988.80 = 29,233.60 : x
  2. Step 2: Convert to fraction form
    30,659.20/45,988.80 = 29,233.60/x
  3. Step 3: Cross multiply
    30,659.20x = 45,988.80 × 29,233.60
  4. Step 4: Simplify right side
    30,659.20x = 1,344,418,183.68
  5. Step 5: Solve for x
    x = 1,344,418,183.68/30,659.20
  6. Step 6: Final answer
    x = 43,850.40

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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.