Home / 49,455.49-74,186.63-19,873.28

Finding the Fourth Proportional to 49,455.49, 74,186.63 and 19,873.28

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Solution

The fourth proportional to 49,455.49, 74,186.63 and 19,873.28 is: 29,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.49 : 74,186.63 = 19,873.28 : x
  2. Step 2: Convert to fraction form
    49,455.49/74,186.63 = 19,873.28/x
  3. Step 3: Cross multiply
    49,455.49x = 74,186.63 × 19,873.28
  4. Step 4: Simplify right side
    49,455.49x = 1,474,331,199.95
  5. Step 5: Solve for x
    x = 1,474,331,199.95/49,455.49
  6. Step 6: Final answer
    x = 29,811.27

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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.