Home / 52,625.92-78,976.69-21,017.86

Finding the Fourth Proportional to 52,625.92, 78,976.69 and 21,017.86

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Solution

The fourth proportional to 52,625.92, 78,976.69 and 21,017.86 is: 31,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,625.92 : 78,976.69 = 21,017.86 : x
  2. Step 2: Convert to fraction form
    52,625.92/78,976.69 = 21,017.86/x
  3. Step 3: Cross multiply
    52,625.92x = 78,976.69 × 21,017.86
  4. Step 4: Simplify right side
    52,625.92x = 1,659,920,763.70
  5. Step 5: Solve for x
    x = 1,659,920,763.70/52,625.92
  6. Step 6: Final answer
    x = 31,541.89

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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.