Home / 39,326.83-58,976.35-12,671.75

Finding the Fourth Proportional to 39,326.83, 58,976.35 and 12,671.75

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Solution

The fourth proportional to 39,326.83, 58,976.35 and 12,671.75 is: 19,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326.83 : 58,976.35 = 12,671.75 : x
  2. Step 2: Convert to fraction form
    39,326.83/58,976.35 = 12,671.75/x
  3. Step 3: Cross multiply
    39,326.83x = 58,976.35 × 12,671.75
  4. Step 4: Simplify right side
    39,326.83x = 747,333,678.87
  5. Step 5: Solve for x
    x = 747,333,678.87/39,326.83
  6. Step 6: Final answer
    x = 19,003.15

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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.