Home / 53,277.32-79,889.10-19,996.04

Finding the Fourth Proportional to 53,277.32, 79,889.10 and 19,996.04

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Solution

The fourth proportional to 53,277.32, 79,889.10 and 19,996.04 is: 29,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.32 : 79,889.10 = 19,996.04 : x
  2. Step 2: Convert to fraction form
    53,277.32/79,889.10 = 19,996.04/x
  3. Step 3: Cross multiply
    53,277.32x = 79,889.10 × 19,996.04
  4. Step 4: Simplify right side
    53,277.32x = 1,597,465,639.16
  5. Step 5: Solve for x
    x = 1,597,465,639.16/53,277.32
  6. Step 6: Final answer
    x = 29,983.97

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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.