Home / 42,736-64,096.08-11,567.20

Finding the Fourth Proportional to 42,736, 64,096.08 and 11,567.20

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Solution

The fourth proportional to 42,736, 64,096.08 and 11,567.20 is: 17,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,736 : 64,096.08 = 11,567.20 : x
  2. Step 2: Convert to fraction form
    42,736/64,096.08 = 11,567.20/x
  3. Step 3: Cross multiply
    42,736x = 64,096.08 × 11,567.20
  4. Step 4: Simplify right side
    42,736x = 741,412,176.58
  5. Step 5: Solve for x
    x = 741,412,176.58/42,736
  6. Step 6: Final answer
    x = 17,348.66

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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.