Home / 96,995.80-145,493.43-30,436.21

Finding the Fourth Proportional to 96,995.80, 145,493.43 and 30,436.21

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Solution

The fourth proportional to 96,995.80, 145,493.43 and 30,436.21 is: 45,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,995.80 : 145,493.43 = 30,436.21 : x
  2. Step 2: Convert to fraction form
    96,995.80/145,493.43 = 30,436.21/x
  3. Step 3: Cross multiply
    96,995.80x = 145,493.43 × 30,436.21
  4. Step 4: Simplify right side
    96,995.80x = 4,428,268,589.10
  5. Step 5: Solve for x
    x = 4,428,268,589.10/96,995.80
  6. Step 6: Final answer
    x = 45,654.23

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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.