Home / 66,434.19-99,634.24-19,676.13

Finding the Fourth Proportional to 66,434.19, 99,634.24 and 19,676.13

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Solution

The fourth proportional to 66,434.19, 99,634.24 and 19,676.13 is: 29,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.19 : 99,634.24 = 19,676.13 : x
  2. Step 2: Convert to fraction form
    66,434.19/99,634.24 = 19,676.13/x
  3. Step 3: Cross multiply
    66,434.19x = 99,634.24 × 19,676.13
  4. Step 4: Simplify right side
    66,434.19x = 1,960,416,258.69
  5. Step 5: Solve for x
    x = 1,960,416,258.69/66,434.19
  6. Step 6: Final answer
    x = 29,509.15

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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.