Home / 66,434.33-99,634.46-19,676.27

Finding the Fourth Proportional to 66,434.33, 99,634.46 and 19,676.27

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Solution

The fourth proportional to 66,434.33, 99,634.46 and 19,676.27 is: 29,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.33 : 99,634.46 = 19,676.27 : x
  2. Step 2: Convert to fraction form
    66,434.33/99,634.46 = 19,676.27/x
  3. Step 3: Cross multiply
    66,434.33x = 99,634.46 × 19,676.27
  4. Step 4: Simplify right side
    66,434.33x = 1,960,433,939.71
  5. Step 5: Solve for x
    x = 1,960,433,939.71/66,434.33
  6. Step 6: Final answer
    x = 29,509.35

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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.