Home / 42,661.69-63,992.30-11,071.73

Finding the Fourth Proportional to 42,661.69, 63,992.30 and 11,071.73

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Solution

The fourth proportional to 42,661.69, 63,992.30 and 11,071.73 is: 16,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,661.69 : 63,992.30 = 11,071.73 : x
  2. Step 2: Convert to fraction form
    42,661.69/63,992.30 = 11,071.73/x
  3. Step 3: Cross multiply
    42,661.69x = 63,992.30 × 11,071.73
  4. Step 4: Simplify right side
    42,661.69x = 708,505,215.77
  5. Step 5: Solve for x
    x = 708,505,215.77/42,661.69
  6. Step 6: Final answer
    x = 16,607.53

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1.5x scale

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.