Home / 49,497.48-74,227.86-19,905.21

Finding the Fourth Proportional to 49,497.48, 74,227.86 and 19,905.21

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Solution

The fourth proportional to 49,497.48, 74,227.86 and 19,905.21 is: 29,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,497.48 : 74,227.86 = 19,905.21 : x
  2. Step 2: Convert to fraction form
    49,497.48/74,227.86 = 19,905.21/x
  3. Step 3: Cross multiply
    49,497.48x = 74,227.86 × 19,905.21
  4. Step 4: Simplify right side
    49,497.48x = 1,477,521,141.15
  5. Step 5: Solve for x
    x = 1,477,521,141.15/49,497.48
  6. Step 6: Final answer
    x = 29,850.43

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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.