Home / 49,456.28-68,249.64-28,235.12

Finding the Fourth Proportional to 49,456.28, 68,249.64 and 28,235.12

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Solution

The fourth proportional to 49,456.28, 68,249.64 and 28,235.12 is: 38,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,456.28 : 68,249.64 = 28,235.12 : x
  2. Step 2: Convert to fraction form
    49,456.28/68,249.64 = 28,235.12/x
  3. Step 3: Cross multiply
    49,456.28x = 68,249.64 × 28,235.12
  4. Step 4: Simplify right side
    49,456.28x = 1,927,036,775.36
  5. Step 5: Solve for x
    x = 1,927,036,775.36/49,456.28
  6. Step 6: Final answer
    x = 38,964.45

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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.