Home / 49,228.32-67,932.72-28,005.60

Finding the Fourth Proportional to 49,228.32, 67,932.72 and 28,005.60

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Solution

The fourth proportional to 49,228.32, 67,932.72 and 28,005.60 is: 38,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.32 : 67,932.72 = 28,005.60 : x
  2. Step 2: Convert to fraction form
    49,228.32/67,932.72 = 28,005.60/x
  3. Step 3: Cross multiply
    49,228.32x = 67,932.72 × 28,005.60
  4. Step 4: Simplify right side
    49,228.32x = 1,902,496,583.23
  5. Step 5: Solve for x
    x = 1,902,496,583.23/49,228.32
  6. Step 6: Final answer
    x = 38,646.38

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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.