Home / 30,848.36-46,272.66-8,661.92

Finding the Fourth Proportional to 30,848.36, 46,272.66 and 8,661.92

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Solution

The fourth proportional to 30,848.36, 46,272.66 and 8,661.92 is: 12,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.36 : 46,272.66 = 8,661.92 : x
  2. Step 2: Convert to fraction form
    30,848.36/46,272.66 = 8,661.92/x
  3. Step 3: Cross multiply
    30,848.36x = 46,272.66 × 8,661.92
  4. Step 4: Simplify right side
    30,848.36x = 400,810,079.11
  5. Step 5: Solve for x
    x = 400,810,079.11/30,848.36
  6. Step 6: Final answer
    x = 12,992.91

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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.