Home / 35,429.27-48,891.47-20,330.73

Finding the Fourth Proportional to 35,429.27, 48,891.47 and 20,330.73

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Solution

The fourth proportional to 35,429.27, 48,891.47 and 20,330.73 is: 28,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.27 : 48,891.47 = 20,330.73 : x
  2. Step 2: Convert to fraction form
    35,429.27/48,891.47 = 20,330.73/x
  3. Step 3: Cross multiply
    35,429.27x = 48,891.47 × 20,330.73
  4. Step 4: Simplify right side
    35,429.27x = 993,999,174.22
  5. Step 5: Solve for x
    x = 993,999,174.22/35,429.27
  6. Step 6: Final answer
    x = 28,055.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.