Home / 43,330.30-65,007.60-18,382.30

Finding the Fourth Proportional to 43,330.30, 65,007.60 and 18,382.30

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Solution

The fourth proportional to 43,330.30, 65,007.60 and 18,382.30 is: 27,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.30 : 65,007.60 = 18,382.30 : x
  2. Step 2: Convert to fraction form
    43,330.30/65,007.60 = 18,382.30/x
  3. Step 3: Cross multiply
    43,330.30x = 65,007.60 × 18,382.30
  4. Step 4: Simplify right side
    43,330.30x = 1,194,989,205.48
  5. Step 5: Solve for x
    x = 1,194,989,205.48/43,330.30
  6. Step 6: Final answer
    x = 27,578.60

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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.